light · editorial · sans · spacious · warm · soft · multi-theme
Kit
A cream newsletter canvas with a custom KitSans display, a Libre Franklin secondary, and a pastel-rainbow chip set — the editorial register reborn from ConvertKit.
By webdesignhot · kit.com
$ npx design-md add kit-com
Learn more about the CLI → Compare to…
Adidas Pure-black sport-utility, AdihausDIN/adidasFG uppercase, three-stripe geometry — the engineering canon for global sportswear. Adobe Creative-suite chrome — paper-white canvas, magenta-to-orange wordmark gradient, and Adobe Clean carrying every product grid. AgentKit Three swappable themes for AI agent products — editorial dark, daylight bright, fintech cool-blue. Airbnb Pure-white marketplace canvas with one Rausch coral and Cereal — generous photography, soft pills, modest type. Airtable White-canvas editorial workflow software with full-bleed coral and forest signature cards punctuating a near-black pill-CTA system. Alibaba Electric orange `#ff6a00` + dense merchant grids — the global B2B wholesale floor as a website. Amazon Smile-orange CTA, Amazon Ember sans, dense product grids — the canonical everything-store interface. Amazon Web Services Squid-ink navy with Smile-orange CTAs — the densest tile-portal on the cloud-platform internet. Anthropic Editorial broadsheet for AI safety — cream canvas, Anthropic Serif body, terracotta clay accent, magazine geometry. Apple White-canvas product theatre — SF Pro Text, 980px pill CTAs, and a single-blue accent system. Apple Music Pink-red gradient hero with album-grid kinesthetics — SF Pro precision, signature `#fa233b` brand pink, glassy dark canvas. Apple TV+ Pure-black cinematic theatre with SF Pro and ruthless minimalism — content as the only voice. Arc Browser-as-personality marketing — buttery cream canvas, Marlin Soft display, hand-tooled blue-and-coral palette. Are.na Bare grey-and-orange minimalism — a single Helvetica-class sans, hairline borders, and a stubborn refusal to optimise for engagement. Asana Approachable work management in soft purple — Asana Sans at modest weights with a rainbow accent palette and warm sky-tinted whitespace. Astro Cosmos navy canvas with violet-to-orange brand gradient — Mona Sans display, Inter body, Astro''s star-chart MPA framework dressed as an observatory dashboard. ASUS Republic of Gamers red `#cd0000` on black with bold sans — Taiwan engineering meets esports brutalism. Audi Vorsprung durch Technik on near-black — Audi Type sans, four-rings precision, and a near-monochrome canvas with `#bb0a30` reserved for sport. Auth0 Twilight-blue dark canvas with TWK Lausanne 300 display + Aeonik body — the original identity-platform aesthetic. Axiom Deep-navy observability with a cyan electric accent — Inter for body, JetBrains Mono for every event label, and a structural grid that reads as logs at planet scale. Axios Smart-brevity in chromatic form — blocky white canvas, Tiempos-flavored Atiza serif, signature `Why it matters:` time-bars and bullet-first prose. Base Coinbase-adjacent L2 minimalism — coinbaseSans on white, signature electric blue Baseten White canvas with Inter and a signature `#6c5ce7` purple — ML model deployment dressed in approachable workshop chrome. BBC News Signature BBC red (`#bb1919`), Reith Sans + Reith Serif, the global broadcaster authority typography of the world''s public-service news. Bear Off-white canvas, a custom bearsans display, a red bear icon, and tealish handwritten underlines — a Markdown notes app dressed as a Mac Pro magazine. beehiiv Aggressive black-on-yellow newsletter punch — heavy display sans, hyper-flat cards, and a `#ffd60a` highway-yellow that reads like a tabloid front page. Binance Trading-floor near-black with a single high-voltage Binance Yellow doing all the brand work — BinanceNova for type, BinancePlex for numbers. Bloomberg Iconic black-orange financial broadsheet — BWHaasHead headlines, AvenirNextPForBBG chrome, terminal-grade data density. Bluesky Sky-blue `#0085ff` on bright white with Inter sans — the AT-Protocol social network rendered as airy, federated, open. Blur Pure-black canvas, neon `#ff8700` orange voltage, and JetBrains-Mono-default everywhere — brutalist NFT trader terminal as competitive instrument. BMW Corporate-blue calm — BMW Type Next on a cream-tinted white, dark navy hero bands, and the M-stripe triplet in reserve. BMW M Performance black on M-blue/M-violet/M-red — the motorsport variant that turns BMW corporate into track-day theatre. Booking.com Deep-blue commerce engine — Bookin Sans on white, yellow CTA voltage, dense booking-funnel maximalism. Bose Pure black canvas, Helvetica restraint, and premium-audio confidence — sound presented as engineering art. Brex Cool grey-blue surfaces, magenta-to-purple-to-indigo gradient, Söhne 600 — fintech as fast, modern, slightly flashy. Bugatti French-engineered austerity — pure black canvas, three Bugatti typefaces, and full-bleed photography as the only voltage. Bun Cream canvas with chunky pink accents and the wide-eyed mascot — a JS runtime dressed as a 1970s bakery sign. Cal.com Open-source calendly with one bold custom font — Cal Sans on a soft `#f4f4f4` paper canvas. Calm Signature `#0066ff` deep blue + Aktiv Grotesk + meditation-deep cool atmospheric calm. Capacities Cream-yellow canvas, Inter at 700 with a Crimson Pro serif fallback, and a yellow underline as page ornament — a PKM that thinks like a sketchbook. Cartesia Bright clinical white with a single deep-blue action — voice-AI presented as scientific instrument rather than consumer product. Cash App Electric `#00d54b` green on near-black, Cash Sans monospace-flavoured geometry, and p2p-money youth aesthetic. Character.AI Cool zinc canvas, custom atHauss sans, and dark pill CTAs — a roleplay social product dressed in TikTok-grade neutrality. Chevrolet Gold-cross American classic — Louis sans on white with a `#cd9834` bowtie, a `#003876` corporate blue, and Camaro/Corvette red drama in reserve. Claude.ai Cream paper canvas, Anthropic Sans for body and Anthropic Serif for the headline — an AI assistant set in literary type. Clerk Geist + Suisse on near-black canvas with `#6c47ff` violet CTA — the drop-in-auth dev-tool aesthetic. ClickHouse Near-pure black canvas with electric yellow as the brand voltage — database performance dressed in voltmeter chrome. Cloudinary Media-API technical infrastructure in confident blue — Inter at modest weights with a deep navy-blue brand and a single chromatic accent for media moments. Cohere Stark white editorial canvas with deep green-black product bands and a CohereText/Unica77 type split. Coinbase Institutional-grade calm — pure white canvas, a single Coinbase Blue, and Coinbase Display set at weight 400 instead of 700. Composio Near-black canvas with deep-electric-blue voltage and a 2x2 terminal-mockup hero — agent infrastructure dressed as developer instrumentation. Corsair Yellow `#ffff00` lightning on black with Roboto — RGB-everything peripherals and PC components. Costco Warehouse blue + signature red, Helvetica utilitarian — bulk-buying signage translated to web. Coursera University-blue `#0056d2` on warm-white parchment with Source Sans — the canonical online-degree marketplace. Cursor Warm cream IDE-marketing — `#f7f7f4` canvas, `#26251e` ink, custom CursorGothic display, JetBrains Mono code, vivid orange accent. Datadog NationalWeb on white with the iconic `#632ca6` purple — observability dressed as an enterprise dashboard, structurally dense, chromatically restrained, multicolour where the data demands it. Deel A warm dark canvas with electric coral and orange accents — global payroll dressed as a confident product portrait. DeepSeek Deep-blue Chinese-tech minimalism — a research lab dressed in `#4d6bfe` and stark white space. Dell Pragmatic blue `#007db8` with custom Roboto-derivative — business-first PC commerce since the dorm room. Deno Inkwell black on warm white with the dinosaur mascot — TypeScript runtime as Eric Carle children's book. Descript Cream-pink canvas, a custom Brett display serif, and a wine-dark CTA — an AI video editor that ships like a magazine. Discord Indigo-ground hangout — gg sans body, ABC Ginto Nord display, 12-16px tile radii, white pill CTAs. Disney+ Deep navy gradient streaming hall with custom Inspire display sans and the unmistakable Disney+ wordmark arc. DoorDash Signature red-orange CTA, custom DoorDash Sans, delivery-funnel commerce — the dominant on-demand local marketplace. ElevenLabs Near-black voice-tech ground with white voice-wave aesthetic — Inter at studio scale, pill CTAs, and a single saturated accent that reads as both wayfinding and brand. Epic Games Pure-black canvas with custom Brutal Type / Heading Now display — Fortnite-saturated marketing meets PC-storefront merchandising. Ethereum Off-white canvas, ethereum-blue `#1c64f2` voltage, and Inter + serif duet — community-owned protocol as open documentation. Etsy Burnt-orange CTA, Graphik humanist sans, handcrafted-warmth aesthetic — the marketplace for makers and small batch. Excalidraw Literal hand-drawn whiteboard — wobbly SVG strokes, Virgil-style handwriting, and a deliberately primitive UI that turns digital sketching into nostalgia. Expedia Navy commerce + Mango yellow voltage — Expedia Sans, dense travel-funnel density with One Key loyalty colour-coding. Fantastical White paper, Effra geometric sans, full-round blue pills, and a rainbow of app-icon glass squares — a calendar app marketed like Apple''s Pro Apps. Ferrari Cinematic editorial in near-black — Rosso Corsa restraint, FerrariSans 500, and full-bleed cavallino photography. Figma Bright multi-color section bands with figmaSans display and figmaMono eyebrows — a marketing site that designs in scenes. Financial Times Salmon-pink page (`#fff1e5`) — the world''s most recognizable newspaper background, paired with Financier display + MetricWeb sans for global markets coverage. Fireworks AI Light canvas with Inter sans and a signature `#6720ff` purple-amber-orange spark — fast-inference platform dressed in speed-of-light kinetic chrome. Fly.io Mackinac display + Fragment Mono on a violet-saturated canvas — a PaaS that dresses like a small-press magazine. Ford American-truck heritage in corporate blue — Antenna sans, oval-script wordmark, and a deep `#003478` voltage that has carried the brand since 1927. Framer Black-on-white maximalism with electric gradient floods — Inter Display at heroic sizes, motion as a first-class material. Frontegg PP Neue Machina display + Neue Montreal body — plug-and-play user-management with deep-blue gravitas. Gemini (Google) Blue-into-violet gradient, Google Sans, soft Material 3 surfaces — Google''s house style applied to a chat interface. Ghost Warm-cream content CMS aesthetic — Inter for chrome, a soft serif for the writing surface, and a single confident green for action. GitHub Dark-canvas developer-platform marketing — Mona Sans variable headings, lime-green accent, near-black ground. GitHub Copilot Pure-white canvas, pure-black inverted CTAs, Mona Sans display — GitHub's editorial confidence applied to AI tooling. Grafana Dark observability canvas with the iconic `#f46800` orange — Inter for body, Roboto Mono everywhere a label hides, multi-colour chart palette ripped straight from a real dashboard. Granola White paper, a custom Quadrant book serif, and an olive-green CTA — an AI notepad that dresses like a stationery shop. Grubhub Friendly red-orange CTA, Sentinel display + Avenir body, dense delivery-app commerce — the long-running incumbent. HashiCorp Black canvas hosting a per-product color portfolio — Terraform purple, Vault yellow, Consul red, Waypoint cyan — multi-product identity made literal. Hashnode Developer publishing platform — deep navy canvas, electric blue brand, Inter sans + JetBrains Mono code chrome. HBO Max Deep purple-black premium streaming canvas with custom Sharp Grotesk and the unmistakable Max wordmark. Headspace Signature `#ffac1d` orange + custom round display + meditation-friendly playful warmth. Height AI-PM workspace dressed in chalk pastels — Inter at modest weights over a near-paper canvas, with a single confident accent and an AI-purple voltage moment. Honda Reliability-first restraint — HondaGlobalFont on white, signature red HP Cyan-blue `#0096d6` HP-circle on white with Forma DJR — the 84-year-old technology brand''s mainstream face. Hugging Face AI community canvas — deep blue-black ground, Source Sans Pro headlines, pill auth + 8px tile cards. Hulu Near-black canvas anchored on Hulu Green `#1ce783` with Graphik sans — the bright, cable-meets-streaming UI. IBM Carbon Design System made literal — pure-white canvas, IBM Plex Sans at light 300, square corners, and one assertive `#0f62fe` blue. Ideogram A bright white canvas with a single saturated violet cue — a typography-first AI image tool that lets the gallery do all the talking. Instacart Grocery-shopping-list practical — Instacart Sans on white, signature carrot green Kagi A premium search engine dressed in warm cream and Plex — the indie answer to ad-funded search. KAYAK Burnt-orange flight-search density — Open Sans on white, comparison-engine maximalism, price-graph data viz. Khan Academy Signature `#14bf96` mint green on white with Lato sans — free-for-everyone education in a warm, encouraging register. Kinde White canvas with Inter 72/500 display + dev-friendly pink-coral accent — the approachable auth-billing-access platform. Kraken Kraken Purple `#7132f5` on white — Kraken-Brand display + Kraken-Product UI for a calmer, less-bombastic crypto exchange. Krea A pure-black studio with Suisse Intl set quietly at 60px — a creative-AI gallery that lets the work and the cobalt CTA carry the colour. Lamborghini Cathedral of darkness — true black canvas, Lamborghini Gold accents, and LamboType angled-terminal display. LangChain Deep navy canvas with Inter precision and a quietly confident teal accent — agent orchestration dressed as engineering documentation. Linear Dark-canvas product surface — pure-black ground, indigo accent, custom Inter weights, pill CTAs. LiveKit Realtime audio-video infra — Public Sans 300 weight on near-black, signature cyan LlamaIndex White canvas with Inter and a signature `#1b9aff` blue — RAG infrastructure dressed as a clean technical reference card. Logitech Soft consumer-tech blue gradients with Brown sans — design for the way you work, play, and create. Lovable Pink-into-violet gradient on white — vibe-coding dressed in playful, friendly chromatics. Magic Eden Mint-cream canvas, magenta-mint accent duet, and a custom Foundry display — Solana-native marketplace as boutique gallery. Mailchimp Cavendish-yellow chunkiness — a custom display serif (Cooper Light), the signature `#ffe01b` block, and a brand voice that hugs you while it ships campaigns. Mastercard Cream-canvas editorial fintech, circular-portrait orbits, MarkForMC at 450 weight — institutional-but-warm payments brand. MasterClass Pure-black cinema with custom display serif and editorial reverence — celebrity-instructor learning as a premium streaming product. Medium Editorial reading-first publishing — magazine-grade serif body, GT Super display, signature green-on-white pill CTAs. Mercedes-Benz Three-pointed-star authority — MBCorpo on near-black canvas, silver-blue Mercury A near-pure white canvas with a literary serif headline and a signature mercury-mint accent — banking dressed as a quiet magazine. Meta Optimistic blue (#0467df) on a white corporate canvas — Optimistic Display headlines, generous space, social-platform conglomerate at rest. Microsoft Fluent surfaces — off-white canvas, Segoe UI Variable Display, and a Cortana-blue action color carrying every product. Midjourney A deep cosmic canvas where JetBrains Mono headlines float over a wide-gamut OKLCH rainbow — a research lab dressed as a chapel. MiniMax Stark monochrome canvas broken open by vibrant gradient product cards — coral, magenta, blue, purple as model identity. Mintlify Documentation-platform marketing — pure white canvas, mint-green accent, Inter at tight tracking, near-black pill CTAs. Miro Canary-yellow Mistral Butter-yellow canvas, Arial as a deliberate anti-tech statement, and zero-radius rectangles — French AI as a brutalist art-school manifesto. Modal Serverless GPU infra in lime-green — `#0c0c0c` canvas, electric `#7fee64` accent, custom Modal Mono on every chip and code block. Monday.com Project management in confident red-pink — Poppins display at bold weights with a colorful saturated palette and a playfully energetic visual rhythm. MongoDB Signature MongoDB green Motion AI-calendar productivity in green-and-purple — Inter at modest weights with a green-to-purple voltage gradient signaling the AI scheduler, anchored by a clean white canvas. MSI Dragon-red `#ff0000` on jet black with bold display sans — the Taipei dragon-heritage gaming hardware brand. Mux Video API for developers — Aeonik on light-cream, Rotonto display, JetBrainsMono CTAs, sharp 0px corners. Neon Serverless Postgres dressed in late-night green — a near-black canvas with a single electric mint accent. Netflix Pure-black streaming theatre with signature `#e50914` red and Netflix Sans — the canonical media-tile grid. Nike Pure black, pure white, Helvetica Now — pill CTAs and full-bleed athletic photography on a single soft cloud gray. Notion Off-white canvas with Lyon serif accents and a custom NotionInter — a workspace dressed as a literary magazine. Nuxt Forest-green `#00dc82` glow on a near-black canvas — Vue-flavored warmth dressed for the cosmos. NVIDIA Engineering-grade canvas — pure black hero / paper-white body / one violently saturated `#76b900` green that carries every CTA and corner square. Omnivore Open-source read-it-later — near-white reading canvas, focused emerald-on-paper brand, archival elegance after the Eleven Labs sunset. OpenAI Pure white canvas, OpenAI Sans set in calm 500-weight, and a single black pill for the only action that matters — try ChatGPT. OpenRouter Pure-black canvas with custom display typography and pragmatic mono — LLM-router infrastructure dressed as a terminal billing dashboard. OpenSea Pure-black canvas, electric `#2081e2` blue, and Inter at trader-pro density — the original NFT marketplace as financial terminal. Optimism Pure-white canvas, signature `#ff0420` red voltage, and Inter at confident L2 register — Ethereum rollup as bold optimistic infrastructure. Ory White canvas with Inter 48/400 display + signature deep-navy `#0f172a` CTA — open-source-first identity for technical teams. Oura Pure-black canvas with Inter precision and gold-stamped scores — the premium-ring health-precision aesthetic. Paper Website A literal sheet-of-paper website — single literary serif, off-white sheet canvas, narrow reading columns, ink-blue links. PayPal Dual-blue corporate trust — PayPal Sans Big over white, with a deep-navy ink and a sky-blue counterpoint. Peloton Signature `#cb1e4e` red on midnight ink, Inter display, instructor-led premium-fitness storefront. Perplexity Cream paper canvas, custom pplxSans, and the unmistakable Tropic-cyan accent — a reference-library answer engine dressed in warm tones. Pinecone White canvas with Inter and a signature `#1cb0d0` cyan — vector database technical-marketing dressed in clean blueprint chrome. Plaid Pale blue trust on white, classical Stripe-adjacent type, and a Benjamin-Franklin-as-mascot moment of personality. Plain B2B support tool with a Dinamo grotesk and a single radioactive `#1ad379` action — Linear-restraint applied to support. PlanetScale Pure-black canvas, blood-red accent, mono-set numerals — a database brand styled like a financial terminal. Polar Dev-tool obsidian — 8rem editorial display headlines, indigo accents, Louize serif moments. Polygon Deep purple `#8247e5` voltage, soft surface ladder, and Inter at enterprise calm — Ethereum L2 as institutional infrastructure. Porsche Engineering-purity black-on-white — Porsche Next at 96px regular, Rosso PostHog Cream-canvas analytics with mustard-yellow CTAs and IBM Plex — open-source craft, not SaaS gloss. Postmark Postal-yellow #ffde00 + warm-black #1c1d1f + paper-white canvas — the transactional email API designed like a friendly post office sign. Prime Video Amazon-blue streaming canvas with Ember sans and the dense, utility-first marketplace UI vocabulary. PropelAuth White canvas with SF Pro Rounded display 60/900 + deep-navy ink — B2B multi-tenant auth with Apple-tinted polish. Qwik Electric purple-to-blue gradient on near-black — resumable execution dressed as a lightning bolt. Railway Ship software peacefully — IBM Plex Serif headlines on a deep eggplant canvas, with a single confident violet for action. Raindrop.io White paper, system-ui sans, soft watercolor blob backgrounds, and a vivid `#0b7ed0` blue CTA — a bookmark manager that ships like a creative-tool sketch. Ramp Off-yellow `#fcfb70` and black-on-white editorial — finance ops dressed as a printed annual report. Raycast Near-black canvas, glowing keycaps, monospaced shortcut chips — a marketing site that thinks like a launcher. Razer Neon `#44d62c` snake-green on jet black with Roboto — the For Gamers, By Gamers visual signature. Readwise Pastel-orange book-club warmth — soft cream canvas, friendly Tiempos serif accents, and a tangerine that signals 'this is your library.' Reddit Front-page-of-the-internet orange — community-card density, IBM Plex Sans display, and a confident Remix Signature `#3992ff` blue on pure white with Inter — a nested-routes web framework dressed as a manifesto poster. Render Lavender on white — a PaaS that swapped Heroku purple for a candy-bright #8a05ff and kept the airy whitespace. Replicate AI-API marketing — light page chrome, dark hero canvas, rb-Freigeist Neue display, JetBrains Mono code, sharp 0px corners. Replit Saturated turquoise on `#0e1525` ink — the cloud-IDE aesthetic with IBM Plex DNA and a JetBrains Mono soul. Resend Pure-black canvas with Domaine Display serif at 96px and Commit Mono code chips — email infra that thinks in italics. Retool Pragmatic blue #3a55fc + Inter + dense product mocks — the internal-tool platform that designed itself like a well-organised admin panel. Reuters Global newswire restraint — signature orange (`#ff8000`), Knowledge Medium custom sans, broadsheet rigor for the world''s oldest news agency. Riot Games Crimson `#d13639` red on near-black with custom Riot Beam display — esports-tournament drama and competitive-MOBA editorial. Rive Chunky animated display type and saturated playful colour — interactive graphics platform that wears its motion design on its sleeve. Roblox Bright `#ed1d24` red on white with Builder Sans — the youth-block-builder playground turned multi-billion-game social platform. RunPod Deep slate canvas with Inter and a signature `#673ab7` purple — accessible GPU cloud dressed in friendly developer chrome. Runway A near-black research canvas with ABC Normal headlines pulled tight at -2.5px — a film studio, an ML lab, and a brutalist gallery in one shell. Salesforce Cloud-trust dashboards — Salesforce Sans on a sky-blue ground, with Astro the bear standing guard over a dense CRM portal. SAP Enterprise-ERP precision in cobalt — SAP72 sans, signal-blue accents, and a calm white canvas built for trust. Segment Twilio Segment's customer-data-platform canvas — Whitney SSm humanist sans, navy-on-white, single confident `#1866ee` blue. Semafor Paper-cream canvas (`#f8f5d7`) with FeatureFlatHeadline serif and signature flag-style topic columns — global-news editorial built for the post-Twitter era. SendGrid Functional API-blue on white — the email-platform dashboard aesthetic, now folded under the Twilio umbrella. Sentry Deep-aubergine observability — Dammit Sans display, Rubik body, JetBrains Mono code, signature violet #7553ff and pill CTAs. shadcn/ui Copy-paste components in pure black-on-white — the most influential design system not actually shipped as a library. Shopify Dark-first commerce theatre — 96px NeueHaasGrotesk at weight 330, electric mint focus rings, and stacked multi-layer shadows. Signal Privacy-first messaging in `#3a76f0` Signal blue with Inter sans — minimal, ad-free, end-to-end-encrypted by default. Slack Aubergine workspace marketing — Salesforce-Avant-Garde headlines, all-caps 4px CTAs, white canvas with `#4a154b` accents. SolidJS Deep navy with a blue-to-cyan brand gradient — reactive primitives dressed as a circuit diagram. Sonos Pure black canvas, Inter typography, and audio-system minimalism — speakers presented as gallery objects. SoundCloud Signature `#ff5500` orange on `#f2f2f2` paper with Interstate sans — waveform-first audio social UI. SpaceX Pure-black cinematic photography, D-DIN aerospace stencil type, ghost-button minimalism — the interface disappears. Spotify Electric `#1ed760` green on near-black canvas with Spotify Mix sans — the canonical streaming-audio tile grid. Square Pure black on pure white, Square Sans grids, and retail-POS minimalism — commerce as black-and-white geometry. Starbucks Forest-green storefront — SoDoSans, full-pill buttons, warm-cream canvas, and a floating Frap CTA the brand calls home. Steam Deep blue-gray `#1b2838` with Motiva Sans — the utilitarian PC-gaming library that runs the world's largest digital storefront. SteelSeries Esports orange `#ff6900` on near-black with Inter — Danish precision peripherals for competitive play. Strava Signature `#fc4c02` orange + Inter on white — endurance-athlete data-driven storefront with map-overlay heritage. Stripe Editorial fintech polish — light Söhne headlines at weight 300, navy-not-black text, signature `#533afd` purple CTAs. Stytch Paper-cream canvas with Booton display + Chivo Mono body — passwordless-modern auth, joined Twilio. Substack Magazine-on-the-internet — Spectral serif body at 19px, Cahuenga display, signature `#ff6719` orange CTAs. Suno A near-black booth with cream Neue Montreal and a hot-pink cue light — a music studio, a record sleeve, and a chat app fused into one canvas. Sunsama Thoughtful daily planning in warm cream and ink — Inter at modest weights over a paper-cream canvas with sage and rose accents and a calm, unhurried voice. Supabase Off-black canvas, signature emerald `#3ecf8e`, Circular as display, Postgres-grade type discipline. Superhuman White paper canvas, a custom Super Sans variable, and a single confident lavender — premium email dressed as a stationery brand. Supreme Box-logo red, Courier monospace, skate-deadpan minimalism — the most influential streetwear store on the web. Svelte Hot orange #ff3e00 against clean white with a confident sans — the framework that wears its flame as a wordmark. Tailwind CSS The system applied to itself — Inter Variable on white canvas, signature cyan #06b6d4, every component built from Tailwind utilities. Tana Pure black canvas, a custom tanaClassic serif at 83px, and a pale-pistachio CTA — a knowledge graph dressed as a literary supplement. Target Bullseye red CTA, Helvetica Neue, photographic hero — friendly mass-market design with confident chromatic restraint. Telegram Cloud-blue messaging — Tesla Cinematic showroom on white — one Electric Blue CTA, Universal Sans, and viewport-height car photography. The Atlantic Modern serif headlines on cream-paper, signature Atlantic orange `#fbb33b`, long-form magazine reading rendered for the web. The Economist Deep cinnabar red `#e3120b`, Milo serif body, Econ Sans labels — the global-affairs weekly rendered with cover-illustration discipline. The Guardian Guardian Egyptian slab serif, signature navy `#052962`, structured ruled hierarchy with bold section accents. The New York Times Cheltenham serif headlines on paper-white, signature breaking-news red, the canonical American broadsheet rendered for the web. The New Yorker Adobe Caslon Pro + Irvin headline cap — a century of editorial gravitas in cream paper, ink black, and signature cartoon line. The Washington Post Postoni serif blackletter masthead, "Democracy Dies in Darkness" tagline, sober ink-on-paper political broadsheet. Things Cool light-blue canvas, system-ui sans, vivid Things-blue accent — a task manager that ships like an Apple Pro Display. Threads Instagram-adjacent text-first social — pure-black canvas, system-sans clarity, and a quiet brand restraint built from the @ glyph alone. TikTok Electric cyan-magenta on pure black — vertical-video voltage with custom Proxima Nova display and a bold neon brand grammar. tldraw Casual whiteboard sketchy — hand-drawn UI primitives, dotted-grid canvas, and a soft pastel palette that wears its toy-like energy with confidence. Together AI Deep navy on near-white with Inter sans — open-source LLM cloud rendered as developer-platform infrastructure. Toyota Japanese-reliability mainstream — `#eb0a1e` Toyota red on white, ToyotaType sans, and a calm-confident marketing surface for the world's most-sold automotive brand. Turbo Vercel-grade pure-black canvas with a magenta-to-blue Turbo gradient — the build system that wears its speed as a sweep. Turso SQLite at the edge — a deep-teal canvas with a CRT-bright cyan accent (#00face) that reads as a glowing edge node. Twilio Signal-red `#f22f46` against clean white — communications APIs given the visual weight of a broadcast colour. Twitch Purple `#9146ff` on `#0e0e10` canvas with Inter — the live-streaming UI built around chat, raids, and gaming density. Uber Eats Pure-black ground, Uber Move custom sans, Uber-app continuity — the operating system of food delivery. Udemy Signature `#a435f0` purple on white with Sailec sans — the open course-marketplace bazaar made approachable. Uniqlo Signature red `#ff0000`, Helvetica Neue system stack, japanese-utility-functional grid — the LifeWear engine. v0 A near-white prompt canvas with GeistSans and pure OKLCH grayscale — Vercel''s AI builder dressed as the calmest text editor on the internet. Venmo A single confident `#3d95ce` blue, Aktiv Grotesk geometry, and a social-feed informality — payments dressed as group chat. Vercel Brutalist developer-product polish — near-white canvas, near-pure black-on-near-white type, Geist sans + mono, conic-gradient accents. Vite Electric purple #646cff + Manrope display + a literal lightning-bolt mark — the build tool that designed itself to feel as fast as it is. Vodafone Vodafone Red broadcast band, monumental 144px display, two-tier button system — corporate-newsroom telecom design. Volkswagen People's-car blue — the deep `#001e50` corporate hue, custom VW Sans, and a friendly-German marketing surface that sells everyday mobility with confidence. Walmart Spark-yellow on big-box blue, Antonio Display + Bogle sans — everyday low prices made loud. Warp Near-black canvas, neon-lime cursor, real terminal screenshots — a marketing site that boots like a shell. Weaviate White canvas with Inter and a signature `#1cdb46` open-source green — modular vector database dressed in approachable engineering chrome. webdesignhot AI-era editorial dark — pure black with one acid-lime accent. Webflow Indigo-to-purple gradient discipline with a precise structural sans — the visual builder that markets itself like a design conference. WHOOP Lime `#a0d10b` voltage on jet-black, Inter precision, recovery-data athlete-grade aesthetic. WIRED Newsstand-density editorial grid, sharp-corner buttons, mono ALL-CAPS kickers — Conde Nast meets engineering lab. Wise A flexible bright-lime green on cream-white — money that travels in sans-serif and a single confident accent. Workday HR-warm professional in tangerine — Adelle Sans humanist curves, signature `#f37721` orange, and a calm white people-first canvas. WorkOS Pure-white canvas with Untitled Sans 80/500 display + indigo-violet h2 — the B2B-enterprise gravitas aesthetic. X Pure-black canvas with Chirp display — algorithmic minimalism, single-letter wordmark, ruthless type discipline. Y Combinator Brutalist orange monolith — system-font sans on white canvas, signature `#f26625` orange-red blocks with hard 0px corners. You.com Crisp white developer-doc canvas, custom Lumen Sans, and the indigo `#5368EE` accent — a search API rebrand done as enterprise infrastructure. YouTube YouTube Sans + Roboto + signature `#ff0000` red — content-density at planetary scale. Zora Cream-white canvas, electric purple-orange duet, and a custom display — onchain creator network as zine cover.
try on →
theme
mobile · 390 × 844
Tokens design.md/v1.5
theme: light
- bg
#f9f7f4 - bg-alt
#f2efe9 - bg-tertiary
#ebe6dd - surface
#ffffff - surface-elev
#fffdf9 - text AAA · 15.6
#1e1e1e - text-strong
#0f0f0f - text-medium
#000000cc - text-soft
#00000099 - text-faint
#00000066 - text-muted
#0000004d - brand — · 2.2
#44b1ff - brand-soft
#44b1ffd9 - brand-deep
#2c8fd6 - brand-tint
#bce1fa - on-brand
#1e1e1e - accent-sky
#bce1fa - accent-sky-deep
#a2d1f1 - accent-peach
#ffd0ad - accent-mint
#b9e9c5 - accent-lilac
#e7c9f1 - accent-gold
#f2ba41 - accent-gold-soft
#fce8b8 - accent-rose
#f7c4cd - link
#44b1ff - link-hover
#2c8fd6 - selected-bg
#f2efe9 - disabled
#0000004d - border
#0000000f - border-strong
#00000019 - border-subtle
#00000008 - border-brand
rgba(68, 177, 255, 0.30) - success-bg
#b9e9c5 - success-text
#1f4d2c - warning-bg
#fce8b8 - warning-text
#7a5a00 - danger-bg
#f7c4cd - danger-text
#a8113a - info-bg
#bce1fa - info-text
#1a3a7a
Ship faster than ever.
display-hero KitSansFont 96px w500 -0.01em
Ship faster than ever.
display KitSansFont 80px w500 0
Ship faster than ever.
h1 KitSansFont 64px w500 0
Built for teams that ship.
h2 KitSansFont 48px w500 -0.01em
A complete kit
h3 KitSansFont 28px w500 0
The quick brown fox jumps over the lazy dog.
quote-pull "Libre Caslon Text" 28px w400
The quick brown fox jumps over the lazy dog.
h4 KitSansFont 22px w500
The quick brown fox jumps over the lazy dog.
body-large "Libre Franklin" 20px w400
The quick brown fox jumps over the lazy dog.
h5 "Libre Franklin" 18px w600
The quick brown fox jumps over the lazy dog.
body "Libre Franklin" 18px w400
The quick brown fox jumps over the lazy dog.
body-small "Libre Franklin" 16px w400
The quick brown fox jumps over the lazy dog.
button "Libre Franklin" 15px w600
OUR DESIGN SYSTEM
caption "Libre Franklin" 14px w400
npx design-md add linear
code ui-monospace 14px w400
OUR DESIGN SYSTEM
caption-tabular ui-monospace 13px w500
The quick brown fox jumps over the lazy dog.
eyebrow "Libre Franklin" 12px w600 0.06em
OUR DESIGN SYSTEM
label "Libre Franklin" 12px w600
npx design-md add linear
code-micro ui-monospace 12px w400
- step-0 1px
- step-1 2px
- step-2 4px
- step-3 6px
- step-4 8px
- step-5 12px
- step-6 16px
- step-7 20px
- step-8 24px
- step-9 32px
- step-10 48px
- step-11 64px
- step-12 80px
- step-13 96px
- step-14 128px
- step-15 160px
- xs
4px - sm
6px - md
8px - lg
12px - xl
16px - card
16px - pill
9999px
Text link →
Card preview
A complete kit — everything your product needs.
Hero, pricing, FAQ, dashboard, docs — every layout your product needs.
New
Stable
v1.0
Export
4 formats · paste-ready
Tailwind
theme.extend block for tailwind.config.js
CSS variables
:root { --bg, --text, --brand, … } you can paste anywhere
DTCG JSON
W3C Design Tokens Community Group format
Figma Variables
Importable into Figma → Variables → Import
---
name: Kit
tagline: A cream newsletter canvas with a custom KitSans display, a Libre Franklin secondary, and a pastel-rainbow chip set — the editorial register reborn from ConvertKit.
author: webdesignhot
source_url: https://kit.com
spec: design.md/v1.5
quality: curated
featured: false
categories: [saas, media, social]
tags: [light, editorial, sans, spacious, warm, soft, multi-theme]
preview_swatch: ['#f9f7f4', '#1e1e1e', '#44b1ff']
related: [stripe, notion, linear]
description: 'Kit (formerly ConvertKit) is the editorial newsletter platform reborn with a publication-grade chrome. The canvas is a warm cream `#f9f7f4` and a slightly deeper `#f2efe9` for inset zones; display copy uses the custom **KitSansFont** at 80px, weight 500, and the secondary chrome runs **Libre Franklin**. The brand''s chromatic identity is a pastel-rainbow chip set — sky `#bce1fa`, peach `#ffd0ad`, mint `#b9e9c5`, lilac `#e7c9f1`, gold `#f2ba41` — anchored by a single confident sky-blue CTA `#44b1ff`. The result reads more like a literary magazine than an email tool. Where Substack runs orange + serif and Mailchimp runs yellow + cute-illustration, Kit splits the difference: a custom chunky-humanist display sans on cream, a sky-blue Stripe-discipline anchor, and a pastel chip set that signals creator-warmth without joining the bubblegum-illustration crowd. The 2024 ConvertKit-to-Kit rebrand traded a generic SaaS chrome for a magazine-grade editorial system; the chunky 80px headline at weight 500 with line-height < 1.0 is the brand''s typographic signature.'
themes:
default: light
available: [light, dark]
switch-via: 'Marketing site default is the warm cream paper canvas; creator dashboard honors prefers-color-scheme. The sky-blue brand and pastel chip palette are invariant across themes.'
colors:
light:
bg: '#f9f7f4' # warm cream canvas, ecru not white
bg-alt: '#f2efe9' # deeper paper inset
bg-tertiary: '#ebe6dd' # deepest cream
surface: '#ffffff' # raised paper card
surface-elev: '#fffdf9' # subtle lift over cream
text: '#1e1e1e' # near-black display
text-strong: '#0f0f0f' # rare deepest black
text-medium: '#000000cc' # 80% black
text-soft: '#00000099' # 60% black
text-faint: '#00000066' # 40% black
text-muted: '#0000004d' # 30% black
brand: '#44b1ff' # signature sky-blue CTA
brand-soft: '#44b1ffd9' # 85% sky for hover
brand-deep: '#2c8fd6' # pressed
brand-tint: '#bce1fa' # sky tint chip
on-brand: '#1e1e1e'
accent-sky: '#bce1fa' # audience pillar
accent-sky-deep: '#a2d1f1'
accent-peach: '#ffd0ad' # tools pillar
accent-mint: '#b9e9c5' # growth pillar
accent-lilac: '#e7c9f1' # community pillar
accent-gold: '#f2ba41'
accent-gold-soft: '#fce8b8'
accent-rose: '#f7c4cd'
link: '#44b1ff'
link-hover: '#2c8fd6'
selected-bg: '#f2efe9'
disabled: '#0000004d'
border: '#0000000f' # ~6% black hairline
border-strong: '#00000019' # ~10% black
border-subtle: '#00000008' # ~3% black
border-brand: 'rgba(68, 177, 255, 0.30)'
success-bg: '#b9e9c5'
success-text: '#1f4d2c'
warning-bg: '#fce8b8'
warning-text: '#7a5a00'
danger-bg: '#f7c4cd'
danger-text: '#a8113a'
info-bg: '#bce1fa'
info-text: '#1a3a7a'
dark:
bg: '#1a1814' # warm-tinted near-black (cream's dark cousin)
bg-alt: '#23201b' # deeper warm-dark inset
bg-tertiary: '#2c2922' # deepest warm-dark
surface: '#23201b' # raised dark card with warm tint
surface-elev: '#2c2922'
text: '#f9f7f4' # cream text on warm dark (mirrors light/bg as text)
text-strong: '#ffffff'
text-medium: '#ffffffcc'
text-soft: '#ffffff99'
text-faint: '#ffffff66'
text-muted: '#ffffff4d'
brand: '#5cbdff' # lifted sky for AAA on warm-dark
brand-soft: '#5cbdffd9'
brand-deep: '#44b1ff'
brand-tint: 'rgba(92, 189, 255, 0.18)'
on-brand: '#1e1e1e'
accent-sky: 'rgba(188, 225, 250, 0.20)'
accent-sky-deep: '#a2d1f1'
accent-peach: 'rgba(255, 208, 173, 0.20)'
accent-mint: 'rgba(185, 233, 197, 0.20)'
accent-lilac: 'rgba(231, 201, 241, 0.20)'
accent-gold: '#fbbf24'
accent-gold-soft: 'rgba(252, 232, 184, 0.18)'
accent-rose: 'rgba(247, 196, 205, 0.20)'
link: '#5cbdff'
link-hover: '#7cc9ff'
selected-bg: '#2c2922'
disabled: '#ffffff4d'
border: '#ffffff14' # 8% white hairline
border-strong: '#ffffff26' # 15% white
border-subtle: '#ffffff0a' # 4% white
border-brand: 'rgba(92, 189, 255, 0.40)'
success-bg: 'rgba(185, 233, 197, 0.18)'
success-text: '#7ed4a8'
warning-bg: 'rgba(252, 232, 184, 0.18)'
warning-text: '#fbbf24'
danger-bg: 'rgba(247, 196, 205, 0.18)'
danger-text: '#f7c4cd'
info-bg: 'rgba(188, 225, 250, 0.18)'
info-text: '#bce1fa'
typography:
display:
family: 'KitSansFont, "KitSansFont Fallback", "Helvetica Neue", Helvetica, Arial, sans-serif'
weights: [400, 500, 700]
opentype-features: ['liga', 'kern']
body:
family: '"Libre Franklin", "Libre Franklin Fallback", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif'
weights: [400, 500, 600]
opentype-features: ['liga', 'kern']
serif:
family: '"Libre Caslon Text", Georgia, "Times New Roman", serif'
weights: [400]
opentype-features: ['liga', 'kern', 'onum']
mono:
family: 'ui-monospace, "SF Mono", "JetBrains Mono", monospace'
weights: [400]
scale:
display-hero: { size: 96, weight: 500, lineHeight: 0.92, tracking: '-0.01em', family: display }
display: { size: 80, weight: 500, lineHeight: 0.95, tracking: '0', family: display }
h1: { size: 64, weight: 500, lineHeight: 0.98, tracking: '0', family: display }
h2: { size: 48, weight: 500, lineHeight: 1.0, tracking: '-0.01em', family: display }
h3: { size: 28, weight: 500, lineHeight: 1.15, tracking: '0', family: display }
h4: { size: 22, weight: 500, lineHeight: 1.25, family: display }
h5: { size: 18, weight: 600, lineHeight: 1.35, family: body }
eyebrow: { size: 12, weight: 600, lineHeight: 1.4, tracking: '0.06em', family: body, transform: uppercase }
body-large: { size: 20, weight: 400, lineHeight: 1.5, family: body }
body: { size: 18, weight: 400, lineHeight: 1.5, family: body }
body-small: { size: 16, weight: 400, lineHeight: 1.5, family: body }
caption: { size: 14, weight: 400, lineHeight: 1.4, family: body }
caption-tabular: { size: 13, weight: 500, lineHeight: 1.4, family: mono }
label: { size: 12, weight: 600, lineHeight: 1.3, family: body }
button: { size: 15, weight: 600, lineHeight: 1.0, family: body }
code: { size: 14, weight: 400, lineHeight: 1.55, family: mono }
code-micro: { size: 12, weight: 400, lineHeight: 1.4, family: mono }
quote-pull: { size: 28, weight: 400, lineHeight: 1.3, family: serif, style: italic }
radius:
xs: 4
sm: 6
md: 8
lg: 12
xl: 16
card: 16
pill: 9999
spacing:
base: 4
scale: [1, 2, 4, 6, 8, 12, 16, 20, 24, 32, 48, 64, 80, 96, 128, 160]
layout:
page-width: 1320
prose-width: 680
site-gutter: 'clamp(24px, 5vw, 72px)'
header-height: 72
grid-columns: 12
section-rhythm: '96-128px'
components:
button-primary:
background: '#44b1ff'
text: '#1e1e1e'
padding: '14px 28px'
radius: 9999
border: 'none'
font: 'Libre Franklin 600 / 15px'
hover-bg: '#2c8fd6'
hover-text: '#ffffff'
active-bg: '#1f6ca8'
use: 'Primary action — sky-blue pill with near-black label, the Stripe-discipline anchor for the entire palette'
button-secondary:
background: 'transparent'
text: '#1e1e1e'
padding: '14px 28px'
radius: 9999
border: '1px solid #00000019'
font: 'Libre Franklin 600 / 15px'
hover-bg: '#00000008'
use: 'Outlined twin — same pill shape, no fill'
button-dark:
background: '#1e1e1e'
text: '#f9f7f4'
padding: '14px 28px'
radius: 9999
font: 'Libre Franklin 600 / 15px'
hover-bg: '#0f0f0f'
use: 'Dark CTA — used on cream-light sections where the sky would feel out of place'
button-ghost:
background: 'transparent'
text: '#1e1e1e'
padding: '8px 14px'
font: 'Libre Franklin 500 / 15px'
hover-text: '#44b1ff'
use: 'Quiet third action — nav links, footer, repeated CTAs'
card:
background: '#ffffff'
border: '1px solid #0000000f'
radius: 16
padding: '32px'
use: 'Default editorial card — white paper lift on cream'
card-paper:
background: '#f2efe9'
border: '1px solid #0000000f'
radius: 16
padding: '32px'
use: 'Deeper paper inset for testimonials, feature bands'
card-pastel:
background: 'var(--accent)'
border: 'none'
radius: 16
padding: '40px 32px'
use: 'Pastel chip card — peach for tools, mint for growth, sky for audience, lilac for community, gold for pricing'
input:
background: '#ffffff'
border: '1px solid #00000019'
radius: 9999
padding: '14px 24px'
font: 'Libre Franklin 400 / 16px'
placeholder-color: '#00000066'
focus-ring: '0 0 0 2px #44b1ff'
use: 'Email-capture input — wide pill, often paired with sky CTA hard-right'
input-rect:
background: '#ffffff'
border: '1px solid #00000019'
radius: 8
padding: '12px 16px'
font: 'Libre Franklin 400 / 16px'
placeholder-color: '#00000066'
focus-ring: '0 0 0 2px #44b1ff'
use: 'Form fields, search — rectangular variant'
badge-eyebrow:
background: 'transparent'
text: '#00000099'
padding: '0'
font: 'Libre Franklin 600 / 12px / uppercase / 0.06em'
use: 'Section eyebrow — no chrome, just type'
pill-pastel:
background: 'var(--accent)'
text: '#1e1e1e'
padding: '6px 14px'
radius: 9999
font: 'Libre Franklin 600 / 13px'
use: 'Feature category chip — peach/mint/sky/lilac/gold backgrounds with near-black text'
nav-link:
background: 'transparent'
text: '#1e1e1e'
padding: '8px 14px'
font: 'Libre Franklin 500 / 15px'
hover-text: '#44b1ff'
motion:
ease-standard: 'cubic-bezier(0.4, 0, 0.2, 1)'
ease-emphasized: 'cubic-bezier(0.2, 0, 0, 1)'
ease-editorial: 'cubic-bezier(0.32, 0.72, 0, 1)'
duration-fast: 120
duration-standard: 220
duration-slow: 320
duration-page: 440
reduced-motion: 'respects prefers-reduced-motion: reduce — all transitions become opacity-only, durations halved'
breakpoints:
mobile: 640
tablet: 1024
desktop: 1280
wide: 1320
shadows:
none: 'none'
ambient: 'rgba(30, 30, 30, 0.04) 0 1px 3px'
standard: 'rgba(30, 30, 30, 0.06) 0 4px 12px'
paper: 'rgba(30, 30, 30, 0.06) 0 12px 24px -8px'
elevated: 'rgba(30, 30, 30, 0.08) 0 24px 48px -16px'
ring: '0 0 0 2px #44b1ff'
accessibility:
contrast-text-on-bg: 16.4 # #1e1e1e on #f9f7f4 — AAA at all sizes
contrast-text-on-brand: 8.9 # #1e1e1e on #44b1ff — AAA at body sizes
contrast-text-soft-on-bg: 7.8 # 60% black on cream — AAA
contrast-on-pastel-mint: 12.1 # #1e1e1e on #b9e9c5 — AAA (pastel chips with near-black text)
focus-ring: '2px solid #44b1ff with 2px offset'
reduced-motion-honored: true
keyboard-nav: 'visible focus on every interactive surface; tab order matches visual'
prose-line-length: 'capped at 680px for editorial readability'
dark-mode: null # marketing surface is light-only; the cream + pastel system is light-only by design
---
## 1. Visual Theme & Atmosphere
Kit's site reads like a literary newsletter that learned to sell. The canvas is a warm cream `#f9f7f4` (ecru, not white), and the display face is a custom **KitSansFont** set at 80px weight 500 on a 76px line-height. Headlines hit chunky-but-humanist — closer to a magazine title-card than a SaaS hero. Body copy switches register to **Libre Franklin**, the Google open-source workhorse, at 18px on 27px. The brand's chromatic identity is the **pastel-rainbow chip set** — peach, mint, sky, lilac, gold — used to mark feature categories, audience pillars, and creator-success stories. Anchoring it all is a single confident sky-blue `#44b1ff` for the primary CTA and link layer. The whole composition reads as the natural successor to the editorial-newsletter era Substack and Ghost opened.
What makes Kit visually distinctive is the *position between* — Kit isn't Substack (which leans full-serif and ink-dense), and it isn't Mailchimp (which leans bubblegum-illustrated and yellow). Kit takes Substack's editorial register, removes the serif from the chrome (relegating it to pull-quotes only), and adds a pastel chip set that signals creator-warmth without slipping into cute-illustration territory. The chunky 80px humanist display + the Stripe-discipline single-blue + the pastel chip set = a publication-grade editorial system that happens to sell email infrastructure.
The third register is the **pastel chip choreography**. Kit uses peach for tools, mint for growth, sky for audience, lilac for community, gold for pricing — and the choreography is *sequenced*. Within a section, only one or two pastels appear; the rainbow is never stacked. A feature ladder might run peach → mint → sky vertically, but never peach + mint + lilac in a single module. This sequencing keeps the palette feeling intentional, like a magazine spread where each spread gets its own colourway, rather than a Mailchimp-style decorative random-pastel.
Atmospheric vocabulary that captures the feeling: *cream-paper, ecru-canvas, magazine-titlecard, chunky-humanist, KitSans-signature, pastel-sequenced, sky-anchor, editorial-newsletter, Libre-Franklin-workhorse, line-height-tight, creator-warmth, publication-grade.* Every surface lands like a Substack publication that hired a magazine art director.
**Key Characteristics**
- Cream `#f9f7f4` canvas — ecru, not white, never pure white
- Custom **KitSansFont** display — chunky humanist at 80px weight 500
- Tight line-height (< 1.0) on hero — magazine title-card stack
- **Libre Franklin** body at 18px / 1.5 — Google workhorse for crisp body copy
- Single sky-blue `#44b1ff` for primary CTA — Stripe-discipline anchor
- Pastel chip palette — sky, peach, mint, lilac, gold — sequenced, not stacked
- Each pastel maps to a content pillar (audience / tools / growth / community / pricing)
- 16px card radius — soft editorial corners
- Pill (9999px) on email-capture inputs and primary CTAs
- Libre Caslon Text serif — used sparingly in pull-quotes only
- Deeper paper `#f2efe9` for feature bands — warm tonal layering
- 96–128px section gutters — magazine-pace cadence
## 2. Color Palette & Roles
### Primary
- **bg** `#f9f7f4` — warm cream canvas, ecru. Never pure white. Defining ground.
- **text** `#1e1e1e` — near-black display copy; warmer than `#000` so type doesn't fight cream.
- **bg-alt** `#f2efe9` — deeper paper for inset zones, feature bands, pricing emphasis.
- **bg-tertiary** `#ebe6dd` — deepest cream for testimonial blocks.
- **surface** `#ffffff` — raised paper card lift over cream.
### Brand & Accent
- **brand** `#44b1ff` — signature sky-blue. Primary CTA fill, body links, brand wordmark accent.
- **brand-soft** `#44b1ffd9` — 85% sky for hover-soft.
- **brand-deep** `#2c8fd6` — pressed-state sky.
- **brand-tint** `#bce1fa` — sky tint for chips (also doubles as `accent-sky`).
- **on-brand** `#1e1e1e` — near-black label on sky-blue CTA. The signature inversion — most blue CTAs use white text; Kit's near-black on sky reads more like a magazine cover blurb than a SaaS button.
### Pastel Chip Set (the editorial palette)
- **accent-sky** `#bce1fa` — audience pillar, info contexts.
- **accent-sky-deep** `#a2d1f1` — deeper sky variant for emphasis.
- **accent-peach** `#ffd0ad` — tools pillar, warm feature categories.
- **accent-mint** `#b9e9c5` — growth pillar, success contexts.
- **accent-lilac** `#e7c9f1` — community pillar, social features.
- **accent-gold** `#f2ba41` — pricing emphasis, premium tier highlights.
- **accent-gold-soft** `#fce8b8` — gold wash for warning bg.
- **accent-rose** `#f7c4cd` — rare rose chip for danger / removal contexts.
These six pastels are first-class design tokens. They appear as full-bleed section grounds on feature pages, as chip backgrounds on capability tiles, and as decorative dingbats. The choreography rule: one pastel per section, two if needed for a comparison; never three or more in a single module. Sequenced, not stacked.
### Interactive
- **link** `#44b1ff` — sky link in body copy. Underlined on hover only, not by default.
- **link-hover** `#2c8fd6` — deeper sky on hover.
- **selected-bg** `#f2efe9` — selected nav state, deeper paper.
- **disabled** `#0000004d` — disabled control text at 30% black.
### Neutral Scale
- **near-black** `#1e1e1e` — primary display and body text.
- **text-strong** `#0f0f0f` — rare deepest black for hero accent.
- **text-medium** `#000000cc` (80%) — secondary heading colour.
- **text-soft** `#00000099` (60%) — supporting copy, captions.
- **text-faint** `#00000066` (40%) — eyebrows, helper.
- **text-muted** `#0000004d` (30%) — disabled microcopy.
### Surface & Borders
- **surface-0 (page)** `#f9f7f4` cream.
- **surface-1 (panel)** `#f2efe9` deeper paper.
- **surface-2 (emphasis)** `#ebe6dd` deepest cream.
- **surface-3 (card)** `#ffffff` white paper lift.
- **border** `#0000000f` — ~6% black hairline.
- **border-strong** `#00000019` — ~10% black for outlined buttons.
- **border-subtle** `#00000008` — quietest separation.
- **border-brand** `rgba(68, 177, 255, 0.30)` — sky-tinted hairline.
### Shadow Colors
Kit's depth language is **paper-tonal layering**. Cream `#f9f7f4` ground → deeper paper `#f2efe9` inset → white `#ffffff` raised card. Hairlines are 6% black. Shadows are minimal — cards take a soft 12px blur at 6% near-black on hover only. The pastel chip set provides chromatic depth without ever spreading to the chrome itself. The brand never uses cool blue-tinted shadows — that would crack the warm temperature of the cream-paper canvas.
### Semantic
- **success** — bg `#b9e9c5` (mint chip), text `#1f4d2c` (deep forest), border `rgba(31, 77, 44, 0.20)`.
- **warning** — bg `#fce8b8` (gold-soft wash), text `#7a5a00`, border `rgba(122, 90, 0, 0.20)`.
- **danger** — bg `#f7c4cd` (rose chip), text `#a8113a`, border `rgba(168, 17, 58, 0.25)`.
- **info** — bg `#bce1fa` (sky chip), text `#1a3a7a`, border `rgba(26, 58, 122, 0.20)`.
The unusual choice: semantic colours come *from* the pastel chip palette, not from a separate Material/Tailwind ladder. Success isn't `green-500`; it's mint-chip. Info is sky-chip — not `blue-500`. The whole palette is one editorial system.
## 3. Typography Rules
### Font Family
- **Display**: `KitSansFont, "KitSansFont Fallback", "Helvetica Neue", Helvetica, Arial, sans-serif` — custom commissioned chunky humanist sans by Kit (post-rebrand 2024). Used at weight 400 / 500 / 700. The defining brand voice.
- **Body**: `"Libre Franklin", "Libre Franklin Fallback", -apple-system, system-ui, sans-serif` — Pablo Impallari's Google open-source companion. Crisp, readable, high-contrast humanist sans. Used at 400 / 500 / 600.
- **Serif**: `"Libre Caslon Text", Georgia, "Times New Roman", serif` — sparingly used in pull-quotes and creator testimonials only. Italic carries the editorial-magazine register.
- **Mono**: `ui-monospace, "SF Mono", "JetBrains Mono", monospace` — pragmatic system fallback chain. Rare on marketing chrome.
- **OpenType features**: `liga` and `kern` always on. `onum` (old-style figures) enabled in serif body for editorial reading.
### Hierarchy
| Role | Font | Size | Weight | Line Height | Letter Spacing | OT Features | Notes |
|---|---|---|---|---|---|---|---|
| Display Hero | KitSansFont | 96px | 500 | 0.92 | -0.01em | liga | Largest hero variant |
| Display | KitSansFont | 80px | 500 | 0.95 | normal | liga | The canonical Kit hero — chunky stacked |
| H1 | KitSansFont | 64px | 500 | 0.98 | normal | liga | Page title |
| H2 | KitSansFont | 48px | 500 | 1.00 | -0.01em | liga | Major section |
| H3 | KitSansFont | 28px | 500 | 1.15 | normal | — | Sub-section |
| H4 | KitSansFont | 22px | 500 | 1.25 | normal | — | Card heading |
| H5 | Libre Franklin | 18px | 600 | 1.35 | normal | — | Inline emphasis (switches to body face) |
| Eyebrow | Libre Franklin | 12px | 600 | 1.40 | 0.06em | uppercase | Section pre-label |
| Body Large | Libre Franklin | 20px | 400 | 1.50 | normal | — | Lede paragraph |
| Body | Libre Franklin | 18px | 400 | 1.50 | normal | — | Default body copy (notably 18px, not 16px) |
| Body Small | Libre Franklin | 16px | 400 | 1.50 | normal | — | Captions, sidebars |
| Caption | Libre Franklin | 14px | 400 | 1.40 | normal | — | Image captions |
| Caption Tabular | Mono | 13px | 500 | 1.40 | normal | — | Stats, data labels |
| Label | Libre Franklin | 12px | 600 | 1.30 | normal | — | UI labels |
| Button | Libre Franklin | 15px | 600 | 1.00 | normal | — | CTA copy |
| Pull Quote | Libre Caslon Text | 28px | 400 | 1.30 | normal | italic | Editorial pull-quote in serif italic |
| Code | Mono | 14px | 400 | 1.55 | normal | — | Inline + block |
### Principles
- **Tight line-height on the display.** KitSansFont at 80px / 500 with `0.95` line-height — *line-height < 1.0* — is the brand's typographic signature. It stacks the headline tight, like a magazine cover title. Going to 1.1 or 1.2 (the standard SaaS heading line-height) collapses the brand into Substack/Mailchimp territory.
- **Two-family duet.** KitSansFont (display) + Libre Franklin (body). Every visible piece of chrome lands in one of the two faces. Adding a third sans breaks the system; the serif (Libre Caslon Text) is reserved for editorial pull-quotes only.
- **Body at 18px, not 16px.** Kit's default body is 18px / 1.5 — slightly larger than the SaaS-standard 16px / 1.5. The choice is editorial: 18px reads as magazine, 16px reads as web app.
- **Weight 500 only for KitSansFont display.** Headlines hit 500 — not 600 or 700. The face has enough character that 500 carries the weight; going heavier would feel shouty. Body switches to Libre Franklin at 400 / 500 / 600.
- **Eyebrows in Libre Franklin caps.** 12px / 600 / 0.06em uppercase tracking. The mono signal (which Plain or Anthropic uses for eyebrows) is rejected here — Kit keeps eyebrows in the body face for editorial cohesion.
- **Italics in serif body, never in display.** Libre Caslon Text italic carries quoted titles and pull-quotes; KitSansFont never italicises.
- **OpenType discipline**: `onum` (old-style figures) in serif body so numbers sit visually with letters; standard `liga` and `kern` everywhere.
- **Sentence case for headlines.** Kit writes "Build your audience" not "Build Your Audience" — a creator-direct-address convention.
## 4. Component Stylings
### Buttons
**Primary (Sky Pill)**
- Background: `#44b1ff`. Text: `#1e1e1e` near-black, Libre Franklin 600 / 15px.
- Padding: `14px 28px`. Radius: `9999px` (full pill). No border.
- Hover: bg → `#2c8fd6`; text → `#ffffff`; transition `220ms ease-standard`.
- Active: bg → `#1f6ca8`.
- Use: Primary CTA — *Get started free, Start your newsletter, Try Kit.*
**Secondary (Outlined Pill)**
- Background: transparent. Text: `#1e1e1e`. Border: `1px solid #00000019`. Radius: `9999px`.
- Same padding (14×28), font (Libre Franklin 600 / 15px) as primary.
- Hover: bg → `#00000008`.
- Use: Twin to primary — *Watch the demo, Read the docs.*
**Dark (Cream-Section Alternate)**
- Background: `#1e1e1e`. Text: `#f9f7f4`. No border. Pill radius.
- Same shape as primary.
- Hover: bg → `#0f0f0f`.
- Use: Used on cream-light sections where the sky would feel out of place; rare alternate primary.
**Ghost (Quiet)**
- Background: transparent. Text: `#1e1e1e`. No border.
- Padding: `8px 14px`. Libre Franklin 500 / 15px.
- Hover: text → `#44b1ff` sky.
- Use: Nav links, footer secondary actions.
### Cards
**Editorial Card (White Paper)**
- Background: `#ffffff`. Border: `1px solid #0000000f`. Radius: `16px`. Padding: `32px`.
- Shadow: none — value-contrast separates white from cream.
- Hover: border → `#00000019`; gentle 12px shadow at 6% black; transition `220ms`.
- Use: Feature tile, capability rail entry, integration card.
**Paper Inset Card**
- Background: `#f2efe9` deeper paper. Border: `1px solid #0000000f`. Radius: `16px`. Padding: `32px`.
- Use: Testimonial block, feature band, pricing-tier emphasis.
**Pastel Chip Card**
- Background: any pastel chip token (peach, mint, sky, lilac, gold). Border: none. Radius: `16px`. Padding: `40px 32px`.
- Use: Feature category card — peach for tools, mint for growth, sky for audience, lilac for community, gold for pricing.
### Badges, Tags, Pills
**Eyebrow Label** — no chrome, just type. Libre Franklin 600 / 12px / uppercase / 0.06em tracking, colour `#00000099`. Sits above section headlines.
**Pastel Pill** — bg from the chip set (peach / mint / sky / lilac / gold), text `#1e1e1e` near-black, radius `9999px`, padding `6px 14px`. Feature category chips on capability tiles.
### Inputs / Forms
**Email-Capture (Pill)**
- Background: `#ffffff`. Border: `1px solid #00000019`. Radius: `9999px` full pill. Padding: `14px 24px`.
- Font: Libre Franklin 400 / 16px. Placeholder: `#00000066`.
- Focus: `0 0 0 2px #44b1ff` sky ring, border → `#44b1ff`.
- Often paired with sky-blue CTA button hard-right; the email-capture pair is the most-used Kit component on the marketing site.
**Standard (Rectangular)**
- Background: `#ffffff`. Border: `1px solid #00000019`. Radius: `8px`. Padding: `12px 16px`.
- Font: Libre Franklin 400 / 16px. Placeholder: `#00000066`.
- Focus: `0 0 0 2px #44b1ff` sky ring.
- Use: Form fields, search.
### Navigation
- Header height `72px`. Background `#f9f7f4` cream (becomes opaque-cream-blur on scroll).
- Logo: Kit wordmark in custom KitSansFont, near-black with a sky accent stroke.
- Nav links: Libre Franklin 500 / 15px, colour `#1e1e1e`, padding `8px 14px`. Hover → `#44b1ff` sky.
- Right-side CTA pair: ghost "Sign in" + sky pill "Get started free".
- Mobile: full-screen sheet, links stack at 28px / KitSansFont 500.
### Optional Components
**Pull Quote** — Libre Caslon Text 28px / 400 / italic, near-black `#1e1e1e` text, with a 4px sky vertical rule on the left edge or a pastel-chip block surrounding.
**Footnote** — Libre Franklin 14px / 400, text-soft; sits on a thin border-subtle rule.
**Code Block** — Mono 14px, bg `#f2efe9` deeper paper, radius `8px`, padding `16px 20px`, no border (paper fill provides separation). Inline code: same font, bg `rgba(0, 0, 0, 0.05)`, padding `2px 6px`, radius `4px`.
**Tooltip** — bg `#1e1e1e`, text `#f9f7f4`, radius `6px`, padding `8px 12px`, font `13px / Libre Franklin 500`.
**Modal** — bg `#ffffff`, radius `16px`, shadow `rgba(30, 30, 30, 0.08) 0 24px 48px -16px`, max-width `560px`. Cream backdrop overlay at 60% opacity.
## 5. Layout Principles
### Spacing System
- **Base unit**: 4px.
- **Scale**: 4, 8, 12, 16, 20, 24, 32, 48, 64, 80, 96, 128, 160 — Fibonacci-adjacent.
- **Density observation**: Kit pages run wide with generous gutters. The cream canvas extends edge-to-edge, and the 18px body sits in 24–32px line gaps.
### Grid & Container
- **Page max width**: `1320px` — slightly wider than the SaaS-standard 1280, accommodating the chunky hero scale.
- **Site gutter**: `clamp(24px, 5vw, 72px)`.
- **Grid**: 12 columns with 24px gutters. Hero blocks float a large display headline left with a creator photo or screenshot right, often overlaid with a pastel feature chip.
- **Hero treatment**: full-bleed cream, 80px KitSansFont headline anchored left, sky pill CTA below, creator photograph or product screenshot right.
### Whitespace Philosophy
The cream canvas *is* the whitespace. Kit deliberately under-fills sections so the warm ground reads as a continuous magazine spread. Section gutters run **96–128px** between major editorial blocks; minor blocks sit on 64–80px gaps; intra-section spacing uses 24–48px. Pricing and conversion zones tend to land on the deeper `#f2efe9` paper for emphasis.
### Section Cadence
- Hero (cream + creator photograph) → Feature Ladder (3-up white cards on cream at 16px radius) → Pastel Feature Block (full-bleed peach / mint / sky / lilac / gold) → Editorial Pull-Quote (deeper paper inset with serif italic) → Pricing (cream → deeper paper transition for emphasis) → Footer (cream ground, slate-soft micro-text).
- Pastel feature blocks appear once or twice per page as chromatic punctuation; never spread to the chrome.
- Cream-on-cream sections separated by 1px border-subtle hairlines or by spacing alone.
## 6. Shapes & Radius Scale
| Tier | Value | Use |
|---|---|---|
| Micro (xs) | 4px | Inline chip corners, decorative dividers |
| Standard (sm) | 6px | Compact pills, chip emphasis |
| Comfortable (md) | 8px | Inputs (rectangular), code blocks, dropdowns |
| Relaxed (lg) | 12px | Image masks, soft popover containers |
| Featured (xl / card) | 16px | Cards, pastel chip cards, modals |
| Pill | 9999px | Email-capture inputs, primary/secondary CTAs, status chips |
Kit's signature shape is the **16px card** paired with the **full pill** on actions and email-capture. Cards default to 16px, buttons to full pills, image masks often round to 12px to match the editorial register. The system favours soft-rounded over sharp-rectangle, mirroring the chunky-humanist KitSansFont's own corner geometry.
## 7. Depth & Elevation
| Level | Treatment | Use |
|---|---|---|
| 0 | Flat — no shadow | Default page surface, hero, body sections |
| 1 | Paper tier (`#f2efe9` inset on cream) | Inset feature bands, deeper paper sections |
| 2 | Hairline + white card on cream | Editorial cards |
| 3 | `rgba(30, 30, 30, 0.06) 0 12px 24px -8px` | Hover-lifted cards |
| 4 | `rgba(30, 30, 30, 0.06) 0 4px 12px` | Sticky nav, dropdowns |
| 5 | `rgba(30, 30, 30, 0.08) 0 24px 48px -16px` | Modals, popovers |
### Shadow Philosophy
Kit's depth is **paper-tonal**. Cream `#f9f7f4` ground → deeper paper `#f2efe9` inset → white `#ffffff` raised card. The three-tier surface ladder provides most of the elevation; explicit shadows are reserved for hover states and overlays. When shadows do appear, they're warm-tinted at low opacity (`rgba(30, 30, 30, 0.06)` to `0.08`) — never neutral grey, never blue-tinted. The pastel chip set provides chromatic depth without ever spreading to the chrome itself, keeping the system's elevation language tonal-warm.
## 8. Interaction & Motion
### Easing Curves
- `ease-standard`: `cubic-bezier(0.4, 0, 0.2, 1)` — Material-style; default for hover, focus, color transitions.
- `ease-emphasized`: `cubic-bezier(0.2, 0, 0, 1)` — punchier exit; modal enter, hero reveal.
- `ease-editorial`: `cubic-bezier(0.32, 0.72, 0, 1)` — slow-out, fast-settle; used on page transitions and editorial reveals.
### Duration Buckets
- **Fast (120ms)** — colour transitions, focus rings, link hovers.
- **Standard (220ms)** — button hover, card hover, dropdown reveal.
- **Slow (320ms)** — modal enter/exit, page section fade-in.
- **Page (440ms)** — route transitions, hero reveal sequences.
### Per-Component Micro-States
- **Button hover (sky pill)**: bg `#44b1ff` → `#2c8fd6`; text `#1e1e1e` → `#ffffff`; transition `220ms ease-standard`. No lift, no scale.
- **Button hover (outlined)**: bg transparent → `#00000008`.
- **Card hover**: border deepens from `#0000000f` to `#00000019`; gentle 12px shadow at 6% black appears.
- **Link hover**: colour `#44b1ff` → `#2c8fd6` over 120ms; underline thickens 1px → 2px.
- **Input focus**: 2px sky ring fades in over 120ms; border darkens from 0.10 to full sky-blue.
- **Pastel chip hover**: brightness shifts +5% (CSS filter); transition `220ms ease-standard`.
### Page Transitions
Editorial reveal: hero text fades in over 440ms with 24px translate-up; below-fold sections use `IntersectionObserver` to fade in at 80% viewport, 320ms duration, no translate. Pastel feature blocks reveal with a gentle scale-in (0.97 → 1.0) over 320ms ease-editorial.
### Reduced Motion
`@media (prefers-reduced-motion: reduce)` — all transitions become opacity-only, durations halved. Translate animations and pastel scale-ins are disabled entirely; scroll-linked reveals snap to final state.
## 9. Accessibility & A11y
### Contrast Pairs
- **`#1e1e1e` text on `#f9f7f4` bg**: 16.4:1 — AAA at all sizes.
- **`#00000099` text on `#f9f7f4` bg**: 7.8:1 — AAA at body sizes.
- **`#00000066` text on `#f9f7f4` bg**: 4.6:1 — AA at body sizes.
- **`#1e1e1e` text on `#44b1ff` sky button**: 8.9:1 — AAA at body sizes.
- **`#1e1e1e` text on `#b9e9c5` mint chip**: 12.1:1 — AAA.
- **`#1e1e1e` text on `#ffd0ad` peach chip**: 13.4:1 — AAA.
The near-black-on-pastel contrast is uniformly AAA across the chip set — the choice of light pastels (rather than saturated mid-pastels) keeps the chip cards accessibility-safe by default.
### Focus Indicators
- Default focus ring: `0 0 0 2px #44b1ff` sky-blue with 2px offset on cream pages.
- On dark surfaces (rare): `0 0 0 2px #f9f7f4` cream.
- All interactive surfaces must have a visible focus state — no `outline: none` without a replacement.
### ARIA Patterns
- **Navigation**: `<nav aria-label="Main">` with skip-link to main content.
- **Disclosure**: `<button aria-expanded aria-controls>` for collapsible feature sections.
- **Dialog**: `role="dialog" aria-modal="true" aria-labelledby` with focus trap and Esc-to-close.
- **Email-capture form**: `<form aria-label="Subscribe">` with inline error message via `aria-describedby`.
- **Live regions**: `aria-live="polite"` for form validation messages.
### Keyboard Navigation
- Tab order matches visual flow: skip-link → nav → hero CTA → main content → footer.
- All buttons, links, inputs reachable via Tab; modals trap focus inside until dismissed.
- `Esc` closes modals and the mobile menu sheet.
- Email-capture input + adjacent CTA share keyboard tab order — Tab from input lands on Submit.
### Screen Reader Hints
- Decorative pastel chip illustrations have `aria-hidden="true"`.
- Icon-only buttons have `aria-label`.
- Creator photographs include alt text describing the creator and context.
- The Kit wordmark uses `aria-label="Kit"` and visually hides decorative inner strokes.
### Reduced Motion
Honoured via the global media query. All translate/scale animations become opacity-only; durations halve. Pastel scale-in reveals become pure fades.
## 10. Responsive Behavior
### Breakpoints
| Name | Width | Use |
|---|---|---|
| Mobile | < 640px | Single column, full-bleed sections, 40px H1 |
| Tablet | 640–1024px | 2-column rails, 56px H1 |
| Desktop | 1024–1280px | Full 12-col grid, 80px hero, 680px prose |
| Wide | 1280–1320px | Site max width hits |
| Ultra | > 1320px | Page locks to 1320, gutters expand |
### Touch Targets
- Minimum tap target: 44×44px (WCAG AAA).
- Pill buttons: 48px minimum height on mobile (14px vertical padding × 2 + line-height).
- Email-capture pill: 52px minimum height to comfortably accommodate 16px input text + 14px vertical padding.
### Collapsing Strategy
- **Header**: full nav at ≥1024px; hamburger sheet below.
- **Hero**: 96px display → 80px hero → 64px → 48px → 40px across breakpoints.
- **Capability grid**: 3-up at desktop, 2-up at tablet, 1-up at mobile.
- **Body width**: 680px → fluid 90vw at mobile.
- **Email-capture pair**: side-by-side at desktop, stacked at mobile.
- **Section spacing**: 128px → 96px → 64px across sizes.
### Image Behavior
- Creator photographs use `srcset` with 1x/2x/3x; aspect-ratio enforced to prevent layout shift.
- Pastel chip cards use CSS `background-color` (no images) so they render instantly.
- Lazy-loading on below-fold images; eager on hero.
### Container Queries
Used inside capability cards to switch layout when card width crosses 320px (icon-left vs. icon-top). Used inside pricing tier cards to switch from horizontal to vertical feature lists.
## 11. Content & Voice
### Tone
**Creator-direct, warm, editorial.** Kit writes the way an indie publisher writes to other publishers — direct address ("Build your audience"), no corporate hedging, an awareness that the reader is themselves a creator with their own brand. The voice sits between Substack's literary register and Mailchimp's friendly marketing register — direct without being cute, warm without being precious.
### Microcopy Patterns
- **Button verbs**: "Get started free," "Start your newsletter," "Try Kit," "Watch the demo," "See pricing." Sentence case, never all-caps.
- **Error messages**: "Couldn't subscribe — that email looks invalid. Try again?" Direct, friendly, low-stakes.
- **Success confirmations**: "You're in. Check your inbox for confirmation." Conversational.
- **Loading states**: "Subscribing…" "Saving your draft…" — context-specific where possible.
### Empty States
What they say: explain the state and offer the next step. *"No subscribers yet. Share your sign-up link to get started."*
What they don't say: "Oops!", "Whoops!", any apologetic exclamation. Empty states are normal, not failures.
### CTA Verb Conventions
- Primary on hero: "Get started free," "Start your newsletter," "Try Kit"
- Secondary: "See pricing," "Watch the demo," "See examples"
- Footer: "Read the blog," "Browse creators," "Sign in," "Help center"
The brand never uses "Sign up now!" or "Get started today!" — the tone is invitational and creator-direct, never urgent. Kit trades on creator credibility, not scarcity.
## 12. Dark Mode & Theming
**Light-only — no dark variant offered on the marketing surface.** The cream-paper canvas, pastel chip set, and chunky-humanist display are calibrated for light only. The pastels would lose their warmth on a dark canvas — peach `#ffd0ad` and mint `#b9e9c5` against a `#0a0a0a` ground would clip and look fluorescent rather than editorial. A dark mode would require re-keying the entire system, and the cream + pastel combination is the brand's defining choice.
The product UI (Kit's email-builder workspace) handles its own theming separately and ships a dark variant for in-product use; that variant is documented at the product layer, not on the marketing surface. The marketing site at `kit.com` is intentionally light-only across all viewports and times of day.
If a downstream surface ever needs a dark companion, the rule would be: keep the sky-blue at full saturation, swap cream for `#1a1a1a` (warm slate-deep), and *desaturate* the pastel chip set (peach drops to `#8c6b50`, mint to `#4a7558`, etc.) — but this is not currently shipped, and any future dark surface would be a deliberate brand decision, not an automatic theme swap.
## 13. Lineage & Influences
Kit's design DNA is **literary-newsletter platform reborn with magazine-grade chrome**. The cream paper-canvas, custom chunky humanist display, and pastel-rainbow chip set quote independent magazines and newsletter platforms directly, then anchor the whole composition with a Stripe-discipline single sky-blue. Where Substack runs cream + serif + orange and Mailchimp runs yellow + cute-illustration, Kit takes the editorial register from Substack, removes the serif from chrome (relegating it to pull-quotes only), and adds the pastel chip set without slipping into Mailchimp territory.
What it inherits: Substack's cream paper-canvas convention, Stripe's confidence in a singular brand color, Mailchimp's pastel category-marking convention (softened and refined). What it borrows from contemporaries: Notion's off-white-paper register, Anthropic's eyebrow + body + section-rhythm cadence, Linear's hairline-border restraint. What it rejects: pure white SaaS canvases (Vercel, Mintlify), generic SaaS gradient hero sections, mascot illustrations (early Mailchimp), serif-everything chrome (early Substack).
**Named influences:**
- **Substack** — Cream paper canvas + serif-and-sans editorial duet for newsletters. *https://substack.com*
- **Stripe** — Confident single sky-blue for primary action; trust-via-restraint chromatic strategy. *https://stripe.com*
- **Mailchimp (early)** — The friendly-pastel chip set for feature categories — softened and refined. *https://mailchimp.com*
- **Notion** — Adjacent precedent for cream-paper canvas with custom-sans editorial register. *https://notion.com*
- **Anthropic** — Eyebrow + body + magazine-pace cadence; cream-canvas sibling. *https://anthropic.com*
- **Libre Franklin (Pablo Impallari)** — Open-source body workhorse, crisp humanist sans. *https://fonts.google.com/specimen/Libre+Franklin*
- **Libre Caslon Text** — Editorial pull-quote serif. *https://fonts.google.com/specimen/Libre+Caslon+Text*
- **The Kit in-house brand team** — Custom KitSansFont commission, pastel chip choreography, sky-blue Stripe discipline.
## 14. Do's and Don'ts
### Do
- **Do** typeset display in KitSansFont with leading below 1.0 (e.g. `0.95`); the chunky stacked headline is the brand voice.
- **Do** use the pastel chip set for feature categories — peach for tools, mint for growth, sky for audience, lilac for community, gold for pricing.
- **Do** keep the canvas warm-cream `#f9f7f4`; pure white reads as a different product (Mailchimp, current ConvertKit competitors).
- **Do** anchor the palette with a single sky-blue `#44b1ff` for primary CTA and link layer. Stripe-discipline is the trust signal.
- **Do** use near-black `#1e1e1e` text on the sky-blue button. The inversion (most blue CTAs use white text) is part of the brand.
- **Do** typeset body in Libre Franklin at 18px / 1.5 — slightly larger than the SaaS-standard 16px to read as editorial.
- **Do** use deeper paper `#f2efe9` for inset feature bands and pricing emphasis. Three-tier paper layering is the depth language.
- **Do** reserve serif (Libre Caslon Text) for pull-quotes only — italic, magazine-register.
- **Do** use eyebrow caps in Libre Franklin (not mono) at 12px / 0.06em tracking.
- **Do** ship full pills (9999px) on email-capture inputs and primary CTAs.
### Don't
- **Don't** mix more than two pastel chips in a single module — the rainbow is sequenced, not stacked.
- **Don't** spread `#44b1ff` beyond primary action and link — the singular-blue discipline is the trust signal.
- **Don't** drop the body face below Libre Franklin 400; the editorial crispness depends on it.
- **Don't** use white text on the sky-blue CTA. Near-black on sky is the brand inversion.
- **Don't** introduce a third sans family. KitSansFont + Libre Franklin is the system.
- **Don't** use serif on body or chrome. Libre Caslon Text is for pull-quotes only.
- **Don't** apply heavy drop-shadows. Kit's depth language is paper-tonal layering.
- **Don't** ship a pure white canvas. Cream `#f9f7f4` is the entry ticket.
- **Don't** crowd the page. The cream space is part of the brand.
- **Don't** use saturated mid-pastels. The chip set is intentionally light — peach is `#ffd0ad`, not `#ff9966`. The lightness is what keeps the chips editorial rather than juvenile.
## 15. Agent Prompt Guide
### Quick Color Reference
```
bg: #f9f7f4
bg-alt: #f2efe9
surface: #ffffff
text: #1e1e1e
brand-sky: #44b1ff
on-brand: #1e1e1e (near-black on sky is the signature)
accent-peach: #ffd0ad
accent-mint: #b9e9c5
accent-sky: #bce1fa
accent-lilac: #e7c9f1
accent-gold: #f2ba41
border: #0000000f
```
### Example Component Prompts
1. **"Create a hero in Kit style — cream `#f9f7f4` canvas, 80px headline in KitSansFont 500 with `0.95` line-height (line-height < 1.0 is the signature) and tracking 0, 18px Libre Franklin 400 lede in near-black, single primary CTA in sky-blue `#44b1ff` pill (9999px radius) with near-black `#1e1e1e` label, no gradient, no animation. Reading column capped at 680px."**
2. **"Design a capability card in Kit style — white `#ffffff` background, 16px radius, 1px `#0000000f` hairline border, 32px interior padding, 22px KitSansFont 500 heading, 18px Libre Franklin 400 body in 80% black, no shadow, hover deepens border to `#00000019` and adds 12px shadow at 6% black."**
3. **"Build a pastel feature block — full-bleed peach `#ffd0ad` background (or mint, sky, lilac, gold — one only), 64px vertical padding, 48px KitSansFont 500 heading in near-black, 18px Libre Franklin body in 80% black, single secondary outlined button (transparent + 1px black 0.10 border, pill radius)."**
4. **"Compose an email-capture pair — wide pill input (`#ffffff` bg, 1px black 0.10 border, 9999px radius, 14×24 padding, Libre Franklin 400 / 16px placeholder), and adjacent sky-blue pill CTA (`#44b1ff` bg, near-black `Get started free` label) hard-right. The pair is the most-used Kit component on the marketing site."**
5. **"Render an editorial pull-quote — Libre Caslon Text 28px / 400 / italic, near-black text, 4px sky-blue vertical rule on the left edge, sits in a deeper paper `#f2efe9` inset block at 16px radius, 48px interior padding."**
6. **"Create the primary nav — 72px header height, cream `#f9f7f4` background (becomes opaque-cream-blur on scroll), Kit wordmark in custom KitSansFont with sky accent stroke, links 15px Libre Franklin 500 with sky-on-hover, right-aligned ghost 'Sign in' + sky-blue pill 'Get started free' pair."**
### Iteration Guide
1. **Start with cream, not white.** If the bg is `#ffffff`, you're in Mintlify/Vercel territory. Cream `#f9f7f4` is the entry ticket.
2. **Switch the headline to KitSansFont with line-height < 1.0.** Inter or system-ui at 1.1 line-height collapses the brand into generic-SaaS territory. The chunky-stacked humanist hero is the signature.
3. **Body to Libre Franklin at 18px.** 16px reads as web-app; 18px reads as editorial-magazine. The size is part of the brand.
4. **Anchor with one sky-blue.** `#44b1ff` for primary CTA, link, brand wordmark accent. Don't introduce a second blue or a different brand color.
5. **Add one pastel chip per section, not three.** The rainbow is sequenced — peach for tools, mint for growth, sky for audience, lilac for community, gold for pricing. One per module.
6. **Use near-black on the sky CTA.** White-on-sky is the SaaS default; near-black-on-sky is the Kit-specific inversion.
7. **Drop the shadows; tier the paper.** Replace box-shadows with deeper paper `#f2efe9` insets; cards use hairline borders.
8. **Calm the verbs.** Replace "Sign up now!" with "Get started free"; replace "Learn more →" with "See pricing". The voice is creator-direct, never urgent.
1. Visual Theme & Atmosphere
Kit’s site reads like a literary newsletter that learned to sell. The canvas is a warm cream #f9f7f4 (ecru, not white), and the display face is a custom KitSansFont set at 80px weight 500 on a 76px line-height. Headlines hit chunky-but-humanist — closer to a magazine title-card than a SaaS hero. Body copy switches register to Libre Franklin, the Google open-source workhorse, at 18px on 27px. The brand’s chromatic identity is the pastel-rainbow chip set — peach, mint, sky, lilac, gold — used to mark feature categories, audience pillars, and creator-success stories. Anchoring it all is a single confident sky-blue #44b1ff for the primary CTA and link layer. The whole composition reads as the natural successor to the editorial-newsletter era Substack and Ghost opened.
What makes Kit visually distinctive is the position between — Kit isn’t Substack (which leans full-serif and ink-dense), and it isn’t Mailchimp (which leans bubblegum-illustrated and yellow). Kit takes Substack’s editorial register, removes the serif from the chrome (relegating it to pull-quotes only), and adds a pastel chip set that signals creator-warmth without slipping into cute-illustration territory. The chunky 80px humanist display + the Stripe-discipline single-blue + the pastel chip set = a publication-grade editorial system that happens to sell email infrastructure.
The third register is the pastel chip choreography. Kit uses peach for tools, mint for growth, sky for audience, lilac for community, gold for pricing — and the choreography is sequenced. Within a section, only one or two pastels appear; the rainbow is never stacked. A feature ladder might run peach → mint → sky vertically, but never peach + mint + lilac in a single module. This sequencing keeps the palette feeling intentional, like a magazine spread where each spread gets its own colourway, rather than a Mailchimp-style decorative random-pastel.
Atmospheric vocabulary that captures the feeling: cream-paper, ecru-canvas, magazine-titlecard, chunky-humanist, KitSans-signature, pastel-sequenced, sky-anchor, editorial-newsletter, Libre-Franklin-workhorse, line-height-tight, creator-warmth, publication-grade. Every surface lands like a Substack publication that hired a magazine art director.
Key Characteristics
- Cream
#f9f7f4canvas — ecru, not white, never pure white - Custom KitSansFont display — chunky humanist at 80px weight 500
- Tight line-height (< 1.0) on hero — magazine title-card stack
- Libre Franklin body at 18px / 1.5 — Google workhorse for crisp body copy
- Single sky-blue
#44b1fffor primary CTA — Stripe-discipline anchor - Pastel chip palette — sky, peach, mint, lilac, gold — sequenced, not stacked
- Each pastel maps to a content pillar (audience / tools / growth / community / pricing)
- 16px card radius — soft editorial corners
- Pill (9999px) on email-capture inputs and primary CTAs
- Libre Caslon Text serif — used sparingly in pull-quotes only
- Deeper paper
#f2efe9for feature bands — warm tonal layering - 96–128px section gutters — magazine-pace cadence
2. Color Palette & Roles
Primary
- bg
#f9f7f4— warm cream canvas, ecru. Never pure white. Defining ground. - text
#1e1e1e— near-black display copy; warmer than#000so type doesn’t fight cream. - bg-alt
#f2efe9— deeper paper for inset zones, feature bands, pricing emphasis. - bg-tertiary
#ebe6dd— deepest cream for testimonial blocks. - surface
#ffffff— raised paper card lift over cream.
Brand & Accent
- brand
#44b1ff— signature sky-blue. Primary CTA fill, body links, brand wordmark accent. - brand-soft
#44b1ffd9— 85% sky for hover-soft. - brand-deep
#2c8fd6— pressed-state sky. - brand-tint
#bce1fa— sky tint for chips (also doubles asaccent-sky). - on-brand
#1e1e1e— near-black label on sky-blue CTA. The signature inversion — most blue CTAs use white text; Kit’s near-black on sky reads more like a magazine cover blurb than a SaaS button.
Pastel Chip Set (the editorial palette)
- accent-sky
#bce1fa— audience pillar, info contexts. - accent-sky-deep
#a2d1f1— deeper sky variant for emphasis. - accent-peach
#ffd0ad— tools pillar, warm feature categories. - accent-mint
#b9e9c5— growth pillar, success contexts. - accent-lilac
#e7c9f1— community pillar, social features. - accent-gold
#f2ba41— pricing emphasis, premium tier highlights. - accent-gold-soft
#fce8b8— gold wash for warning bg. - accent-rose
#f7c4cd— rare rose chip for danger / removal contexts.
These six pastels are first-class design tokens. They appear as full-bleed section grounds on feature pages, as chip backgrounds on capability tiles, and as decorative dingbats. The choreography rule: one pastel per section, two if needed for a comparison; never three or more in a single module. Sequenced, not stacked.
Interactive
- link
#44b1ff— sky link in body copy. Underlined on hover only, not by default. - link-hover
#2c8fd6— deeper sky on hover. - selected-bg
#f2efe9— selected nav state, deeper paper. - disabled
#0000004d— disabled control text at 30% black.
Neutral Scale
- near-black
#1e1e1e— primary display and body text. - text-strong
#0f0f0f— rare deepest black for hero accent. - text-medium
#000000cc(80%) — secondary heading colour. - text-soft
#00000099(60%) — supporting copy, captions. - text-faint
#00000066(40%) — eyebrows, helper. - text-muted
#0000004d(30%) — disabled microcopy.
Surface & Borders
- surface-0 (page)
#f9f7f4cream. - surface-1 (panel)
#f2efe9deeper paper. - surface-2 (emphasis)
#ebe6dddeepest cream. - surface-3 (card)
#ffffffwhite paper lift. - border
#0000000f— ~6% black hairline. - border-strong
#00000019— ~10% black for outlined buttons. - border-subtle
#00000008— quietest separation. - border-brand
rgba(68, 177, 255, 0.30)— sky-tinted hairline.
Shadow Colors
Kit’s depth language is paper-tonal layering. Cream #f9f7f4 ground → deeper paper #f2efe9 inset → white #ffffff raised card. Hairlines are 6% black. Shadows are minimal — cards take a soft 12px blur at 6% near-black on hover only. The pastel chip set provides chromatic depth without ever spreading to the chrome itself. The brand never uses cool blue-tinted shadows — that would crack the warm temperature of the cream-paper canvas.
Semantic
- success — bg
#b9e9c5(mint chip), text#1f4d2c(deep forest), borderrgba(31, 77, 44, 0.20). - warning — bg
#fce8b8(gold-soft wash), text#7a5a00, borderrgba(122, 90, 0, 0.20). - danger — bg
#f7c4cd(rose chip), text#a8113a, borderrgba(168, 17, 58, 0.25). - info — bg
#bce1fa(sky chip), text#1a3a7a, borderrgba(26, 58, 122, 0.20).
The unusual choice: semantic colours come from the pastel chip palette, not from a separate Material/Tailwind ladder. Success isn’t green-500; it’s mint-chip. Info is sky-chip — not blue-500. The whole palette is one editorial system.
3. Typography Rules
Font Family
- Display:
KitSansFont, "KitSansFont Fallback", "Helvetica Neue", Helvetica, Arial, sans-serif— custom commissioned chunky humanist sans by Kit (post-rebrand 2024). Used at weight 400 / 500 / 700. The defining brand voice. - Body:
"Libre Franklin", "Libre Franklin Fallback", -apple-system, system-ui, sans-serif— Pablo Impallari’s Google open-source companion. Crisp, readable, high-contrast humanist sans. Used at 400 / 500 / 600. - Serif:
"Libre Caslon Text", Georgia, "Times New Roman", serif— sparingly used in pull-quotes and creator testimonials only. Italic carries the editorial-magazine register. - Mono:
ui-monospace, "SF Mono", "JetBrains Mono", monospace— pragmatic system fallback chain. Rare on marketing chrome. - OpenType features:
ligaandkernalways on.onum(old-style figures) enabled in serif body for editorial reading.
Hierarchy
| Role | Font | Size | Weight | Line Height | Letter Spacing | OT Features | Notes |
|---|---|---|---|---|---|---|---|
| Display Hero | KitSansFont | 96px | 500 | 0.92 | -0.01em | liga | Largest hero variant |
| Display | KitSansFont | 80px | 500 | 0.95 | normal | liga | The canonical Kit hero — chunky stacked |
| H1 | KitSansFont | 64px | 500 | 0.98 | normal | liga | Page title |
| H2 | KitSansFont | 48px | 500 | 1.00 | -0.01em | liga | Major section |
| H3 | KitSansFont | 28px | 500 | 1.15 | normal | — | Sub-section |
| H4 | KitSansFont | 22px | 500 | 1.25 | normal | — | Card heading |
| H5 | Libre Franklin | 18px | 600 | 1.35 | normal | — | Inline emphasis (switches to body face) |
| Eyebrow | Libre Franklin | 12px | 600 | 1.40 | 0.06em | uppercase | Section pre-label |
| Body Large | Libre Franklin | 20px | 400 | 1.50 | normal | — | Lede paragraph |
| Body | Libre Franklin | 18px | 400 | 1.50 | normal | — | Default body copy (notably 18px, not 16px) |
| Body Small | Libre Franklin | 16px | 400 | 1.50 | normal | — | Captions, sidebars |
| Caption | Libre Franklin | 14px | 400 | 1.40 | normal | — | Image captions |
| Caption Tabular | Mono | 13px | 500 | 1.40 | normal | — | Stats, data labels |
| Label | Libre Franklin | 12px | 600 | 1.30 | normal | — | UI labels |
| Button | Libre Franklin | 15px | 600 | 1.00 | normal | — | CTA copy |
| Pull Quote | Libre Caslon Text | 28px | 400 | 1.30 | normal | italic | Editorial pull-quote in serif italic |
| Code | Mono | 14px | 400 | 1.55 | normal | — | Inline + block |
Principles
- Tight line-height on the display. KitSansFont at 80px / 500 with
0.95line-height — line-height < 1.0 — is the brand’s typographic signature. It stacks the headline tight, like a magazine cover title. Going to 1.1 or 1.2 (the standard SaaS heading line-height) collapses the brand into Substack/Mailchimp territory. - Two-family duet. KitSansFont (display) + Libre Franklin (body). Every visible piece of chrome lands in one of the two faces. Adding a third sans breaks the system; the serif (Libre Caslon Text) is reserved for editorial pull-quotes only.
- Body at 18px, not 16px. Kit’s default body is 18px / 1.5 — slightly larger than the SaaS-standard 16px / 1.5. The choice is editorial: 18px reads as magazine, 16px reads as web app.
- Weight 500 only for KitSansFont display. Headlines hit 500 — not 600 or 700. The face has enough character that 500 carries the weight; going heavier would feel shouty. Body switches to Libre Franklin at 400 / 500 / 600.
- Eyebrows in Libre Franklin caps. 12px / 600 / 0.06em uppercase tracking. The mono signal (which Plain or Anthropic uses for eyebrows) is rejected here — Kit keeps eyebrows in the body face for editorial cohesion.
- Italics in serif body, never in display. Libre Caslon Text italic carries quoted titles and pull-quotes; KitSansFont never italicises.
- OpenType discipline:
onum(old-style figures) in serif body so numbers sit visually with letters; standardligaandkerneverywhere. - Sentence case for headlines. Kit writes “Build your audience” not “Build Your Audience” — a creator-direct-address convention.
4. Component Stylings
Buttons
Primary (Sky Pill)
- Background:
#44b1ff. Text:#1e1e1enear-black, Libre Franklin 600 / 15px. - Padding:
14px 28px. Radius:9999px(full pill). No border. - Hover: bg →
#2c8fd6; text →#ffffff; transition220ms ease-standard. - Active: bg →
#1f6ca8. - Use: Primary CTA — Get started free, Start your newsletter, Try Kit.
Secondary (Outlined Pill)
- Background: transparent. Text:
#1e1e1e. Border:1px solid #00000019. Radius:9999px. - Same padding (14×28), font (Libre Franklin 600 / 15px) as primary.
- Hover: bg →
#00000008. - Use: Twin to primary — Watch the demo, Read the docs.
Dark (Cream-Section Alternate)
- Background:
#1e1e1e. Text:#f9f7f4. No border. Pill radius. - Same shape as primary.
- Hover: bg →
#0f0f0f. - Use: Used on cream-light sections where the sky would feel out of place; rare alternate primary.
Ghost (Quiet)
- Background: transparent. Text:
#1e1e1e. No border. - Padding:
8px 14px. Libre Franklin 500 / 15px. - Hover: text →
#44b1ffsky. - Use: Nav links, footer secondary actions.
Cards
Editorial Card (White Paper)
- Background:
#ffffff. Border:1px solid #0000000f. Radius:16px. Padding:32px. - Shadow: none — value-contrast separates white from cream.
- Hover: border →
#00000019; gentle 12px shadow at 6% black; transition220ms. - Use: Feature tile, capability rail entry, integration card.
Paper Inset Card
- Background:
#f2efe9deeper paper. Border:1px solid #0000000f. Radius:16px. Padding:32px. - Use: Testimonial block, feature band, pricing-tier emphasis.
Pastel Chip Card
- Background: any pastel chip token (peach, mint, sky, lilac, gold). Border: none. Radius:
16px. Padding:40px 32px. - Use: Feature category card — peach for tools, mint for growth, sky for audience, lilac for community, gold for pricing.
Badges, Tags, Pills
Eyebrow Label — no chrome, just type. Libre Franklin 600 / 12px / uppercase / 0.06em tracking, colour #00000099. Sits above section headlines.
Pastel Pill — bg from the chip set (peach / mint / sky / lilac / gold), text #1e1e1e near-black, radius 9999px, padding 6px 14px. Feature category chips on capability tiles.
Inputs / Forms
Email-Capture (Pill)
- Background:
#ffffff. Border:1px solid #00000019. Radius:9999pxfull pill. Padding:14px 24px. - Font: Libre Franklin 400 / 16px. Placeholder:
#00000066. - Focus:
0 0 0 2px #44b1ffsky ring, border →#44b1ff. - Often paired with sky-blue CTA button hard-right; the email-capture pair is the most-used Kit component on the marketing site.
Standard (Rectangular)
- Background:
#ffffff. Border:1px solid #00000019. Radius:8px. Padding:12px 16px. - Font: Libre Franklin 400 / 16px. Placeholder:
#00000066. - Focus:
0 0 0 2px #44b1ffsky ring. - Use: Form fields, search.
Navigation
- Header height
72px. Background#f9f7f4cream (becomes opaque-cream-blur on scroll). - Logo: Kit wordmark in custom KitSansFont, near-black with a sky accent stroke.
- Nav links: Libre Franklin 500 / 15px, colour
#1e1e1e, padding8px 14px. Hover →#44b1ffsky. - Right-side CTA pair: ghost “Sign in” + sky pill “Get started free”.
- Mobile: full-screen sheet, links stack at 28px / KitSansFont 500.
Optional Components
Pull Quote — Libre Caslon Text 28px / 400 / italic, near-black #1e1e1e text, with a 4px sky vertical rule on the left edge or a pastel-chip block surrounding.
Footnote — Libre Franklin 14px / 400, text-soft; sits on a thin border-subtle rule.
Code Block — Mono 14px, bg #f2efe9 deeper paper, radius 8px, padding 16px 20px, no border (paper fill provides separation). Inline code: same font, bg rgba(0, 0, 0, 0.05), padding 2px 6px, radius 4px.
Tooltip — bg #1e1e1e, text #f9f7f4, radius 6px, padding 8px 12px, font 13px / Libre Franklin 500.
Modal — bg #ffffff, radius 16px, shadow rgba(30, 30, 30, 0.08) 0 24px 48px -16px, max-width 560px. Cream backdrop overlay at 60% opacity.
5. Layout Principles
Spacing System
- Base unit: 4px.
- Scale: 4, 8, 12, 16, 20, 24, 32, 48, 64, 80, 96, 128, 160 — Fibonacci-adjacent.
- Density observation: Kit pages run wide with generous gutters. The cream canvas extends edge-to-edge, and the 18px body sits in 24–32px line gaps.
Grid & Container
- Page max width:
1320px— slightly wider than the SaaS-standard 1280, accommodating the chunky hero scale. - Site gutter:
clamp(24px, 5vw, 72px). - Grid: 12 columns with 24px gutters. Hero blocks float a large display headline left with a creator photo or screenshot right, often overlaid with a pastel feature chip.
- Hero treatment: full-bleed cream, 80px KitSansFont headline anchored left, sky pill CTA below, creator photograph or product screenshot right.
Whitespace Philosophy
The cream canvas is the whitespace. Kit deliberately under-fills sections so the warm ground reads as a continuous magazine spread. Section gutters run 96–128px between major editorial blocks; minor blocks sit on 64–80px gaps; intra-section spacing uses 24–48px. Pricing and conversion zones tend to land on the deeper #f2efe9 paper for emphasis.
Section Cadence
- Hero (cream + creator photograph) → Feature Ladder (3-up white cards on cream at 16px radius) → Pastel Feature Block (full-bleed peach / mint / sky / lilac / gold) → Editorial Pull-Quote (deeper paper inset with serif italic) → Pricing (cream → deeper paper transition for emphasis) → Footer (cream ground, slate-soft micro-text).
- Pastel feature blocks appear once or twice per page as chromatic punctuation; never spread to the chrome.
- Cream-on-cream sections separated by 1px border-subtle hairlines or by spacing alone.
6. Shapes & Radius Scale
| Tier | Value | Use |
|---|---|---|
| Micro (xs) | 4px | Inline chip corners, decorative dividers |
| Standard (sm) | 6px | Compact pills, chip emphasis |
| Comfortable (md) | 8px | Inputs (rectangular), code blocks, dropdowns |
| Relaxed (lg) | 12px | Image masks, soft popover containers |
| Featured (xl / card) | 16px | Cards, pastel chip cards, modals |
| Pill | 9999px | Email-capture inputs, primary/secondary CTAs, status chips |
Kit’s signature shape is the 16px card paired with the full pill on actions and email-capture. Cards default to 16px, buttons to full pills, image masks often round to 12px to match the editorial register. The system favours soft-rounded over sharp-rectangle, mirroring the chunky-humanist KitSansFont’s own corner geometry.
7. Depth & Elevation
| Level | Treatment | Use |
|---|---|---|
| 0 | Flat — no shadow | Default page surface, hero, body sections |
| 1 | Paper tier (#f2efe9 inset on cream) | Inset feature bands, deeper paper sections |
| 2 | Hairline + white card on cream | Editorial cards |
| 3 | rgba(30, 30, 30, 0.06) 0 12px 24px -8px | Hover-lifted cards |
| 4 | rgba(30, 30, 30, 0.06) 0 4px 12px | Sticky nav, dropdowns |
| 5 | rgba(30, 30, 30, 0.08) 0 24px 48px -16px | Modals, popovers |
Shadow Philosophy
Kit’s depth is paper-tonal. Cream #f9f7f4 ground → deeper paper #f2efe9 inset → white #ffffff raised card. The three-tier surface ladder provides most of the elevation; explicit shadows are reserved for hover states and overlays. When shadows do appear, they’re warm-tinted at low opacity (rgba(30, 30, 30, 0.06) to 0.08) — never neutral grey, never blue-tinted. The pastel chip set provides chromatic depth without ever spreading to the chrome itself, keeping the system’s elevation language tonal-warm.
8. Interaction & Motion
Easing Curves
ease-standard:cubic-bezier(0.4, 0, 0.2, 1)— Material-style; default for hover, focus, color transitions.ease-emphasized:cubic-bezier(0.2, 0, 0, 1)— punchier exit; modal enter, hero reveal.ease-editorial:cubic-bezier(0.32, 0.72, 0, 1)— slow-out, fast-settle; used on page transitions and editorial reveals.
Duration Buckets
- Fast (120ms) — colour transitions, focus rings, link hovers.
- Standard (220ms) — button hover, card hover, dropdown reveal.
- Slow (320ms) — modal enter/exit, page section fade-in.
- Page (440ms) — route transitions, hero reveal sequences.
Per-Component Micro-States
- Button hover (sky pill): bg
#44b1ff→#2c8fd6; text#1e1e1e→#ffffff; transition220ms ease-standard. No lift, no scale. - Button hover (outlined): bg transparent →
#00000008. - Card hover: border deepens from
#0000000fto#00000019; gentle 12px shadow at 6% black appears. - Link hover: colour
#44b1ff→#2c8fd6over 120ms; underline thickens 1px → 2px. - Input focus: 2px sky ring fades in over 120ms; border darkens from 0.10 to full sky-blue.
- Pastel chip hover: brightness shifts +5% (CSS filter); transition
220ms ease-standard.
Page Transitions
Editorial reveal: hero text fades in over 440ms with 24px translate-up; below-fold sections use IntersectionObserver to fade in at 80% viewport, 320ms duration, no translate. Pastel feature blocks reveal with a gentle scale-in (0.97 → 1.0) over 320ms ease-editorial.
Reduced Motion
@media (prefers-reduced-motion: reduce) — all transitions become opacity-only, durations halved. Translate animations and pastel scale-ins are disabled entirely; scroll-linked reveals snap to final state.
9. Accessibility & A11y
Contrast Pairs
#1e1e1etext on#f9f7f4bg: 16.4:1 — AAA at all sizes.#00000099text on#f9f7f4bg: 7.8:1 — AAA at body sizes.#00000066text on#f9f7f4bg: 4.6:1 — AA at body sizes.#1e1e1etext on#44b1ffsky button: 8.9:1 — AAA at body sizes.#1e1e1etext on#b9e9c5mint chip: 12.1:1 — AAA.#1e1e1etext on#ffd0adpeach chip: 13.4:1 — AAA.
The near-black-on-pastel contrast is uniformly AAA across the chip set — the choice of light pastels (rather than saturated mid-pastels) keeps the chip cards accessibility-safe by default.
Focus Indicators
- Default focus ring:
0 0 0 2px #44b1ffsky-blue with 2px offset on cream pages. - On dark surfaces (rare):
0 0 0 2px #f9f7f4cream. - All interactive surfaces must have a visible focus state — no
outline: nonewithout a replacement.
ARIA Patterns
- Navigation:
<nav aria-label="Main">with skip-link to main content. - Disclosure:
<button aria-expanded aria-controls>for collapsible feature sections. - Dialog:
role="dialog" aria-modal="true" aria-labelledbywith focus trap and Esc-to-close. - Email-capture form:
<form aria-label="Subscribe">with inline error message viaaria-describedby. - Live regions:
aria-live="polite"for form validation messages.
Keyboard Navigation
- Tab order matches visual flow: skip-link → nav → hero CTA → main content → footer.
- All buttons, links, inputs reachable via Tab; modals trap focus inside until dismissed.
Esccloses modals and the mobile menu sheet.- Email-capture input + adjacent CTA share keyboard tab order — Tab from input lands on Submit.
Screen Reader Hints
- Decorative pastel chip illustrations have
aria-hidden="true". - Icon-only buttons have
aria-label. - Creator photographs include alt text describing the creator and context.
- The Kit wordmark uses
aria-label="Kit"and visually hides decorative inner strokes.
Reduced Motion
Honoured via the global media query. All translate/scale animations become opacity-only; durations halve. Pastel scale-in reveals become pure fades.
10. Responsive Behavior
Breakpoints
| Name | Width | Use |
|---|---|---|
| Mobile | < 640px | Single column, full-bleed sections, 40px H1 |
| Tablet | 640–1024px | 2-column rails, 56px H1 |
| Desktop | 1024–1280px | Full 12-col grid, 80px hero, 680px prose |
| Wide | 1280–1320px | Site max width hits |
| Ultra | > 1320px | Page locks to 1320, gutters expand |
Touch Targets
- Minimum tap target: 44×44px (WCAG AAA).
- Pill buttons: 48px minimum height on mobile (14px vertical padding × 2 + line-height).
- Email-capture pill: 52px minimum height to comfortably accommodate 16px input text + 14px vertical padding.
Collapsing Strategy
- Header: full nav at ≥1024px; hamburger sheet below.
- Hero: 96px display → 80px hero → 64px → 48px → 40px across breakpoints.
- Capability grid: 3-up at desktop, 2-up at tablet, 1-up at mobile.
- Body width: 680px → fluid 90vw at mobile.
- Email-capture pair: side-by-side at desktop, stacked at mobile.
- Section spacing: 128px → 96px → 64px across sizes.
Image Behavior
- Creator photographs use
srcsetwith 1x/2x/3x; aspect-ratio enforced to prevent layout shift. - Pastel chip cards use CSS
background-color(no images) so they render instantly. - Lazy-loading on below-fold images; eager on hero.
Container Queries
Used inside capability cards to switch layout when card width crosses 320px (icon-left vs. icon-top). Used inside pricing tier cards to switch from horizontal to vertical feature lists.
11. Content & Voice
Tone
Creator-direct, warm, editorial. Kit writes the way an indie publisher writes to other publishers — direct address (“Build your audience”), no corporate hedging, an awareness that the reader is themselves a creator with their own brand. The voice sits between Substack’s literary register and Mailchimp’s friendly marketing register — direct without being cute, warm without being precious.
Microcopy Patterns
- Button verbs: “Get started free,” “Start your newsletter,” “Try Kit,” “Watch the demo,” “See pricing.” Sentence case, never all-caps.
- Error messages: “Couldn’t subscribe — that email looks invalid. Try again?” Direct, friendly, low-stakes.
- Success confirmations: “You’re in. Check your inbox for confirmation.” Conversational.
- Loading states: “Subscribing…” “Saving your draft…” — context-specific where possible.
Empty States
What they say: explain the state and offer the next step. “No subscribers yet. Share your sign-up link to get started.” What they don’t say: “Oops!”, “Whoops!”, any apologetic exclamation. Empty states are normal, not failures.
CTA Verb Conventions
- Primary on hero: “Get started free,” “Start your newsletter,” “Try Kit”
- Secondary: “See pricing,” “Watch the demo,” “See examples”
- Footer: “Read the blog,” “Browse creators,” “Sign in,” “Help center”
The brand never uses “Sign up now!” or “Get started today!” — the tone is invitational and creator-direct, never urgent. Kit trades on creator credibility, not scarcity.
12. Dark Mode & Theming
Light-only — no dark variant offered on the marketing surface. The cream-paper canvas, pastel chip set, and chunky-humanist display are calibrated for light only. The pastels would lose their warmth on a dark canvas — peach #ffd0ad and mint #b9e9c5 against a #0a0a0a ground would clip and look fluorescent rather than editorial. A dark mode would require re-keying the entire system, and the cream + pastel combination is the brand’s defining choice.
The product UI (Kit’s email-builder workspace) handles its own theming separately and ships a dark variant for in-product use; that variant is documented at the product layer, not on the marketing surface. The marketing site at kit.com is intentionally light-only across all viewports and times of day.
If a downstream surface ever needs a dark companion, the rule would be: keep the sky-blue at full saturation, swap cream for #1a1a1a (warm slate-deep), and desaturate the pastel chip set (peach drops to #8c6b50, mint to #4a7558, etc.) — but this is not currently shipped, and any future dark surface would be a deliberate brand decision, not an automatic theme swap.
13. Lineage & Influences
Kit’s design DNA is literary-newsletter platform reborn with magazine-grade chrome. The cream paper-canvas, custom chunky humanist display, and pastel-rainbow chip set quote independent magazines and newsletter platforms directly, then anchor the whole composition with a Stripe-discipline single sky-blue. Where Substack runs cream + serif + orange and Mailchimp runs yellow + cute-illustration, Kit takes the editorial register from Substack, removes the serif from chrome (relegating it to pull-quotes only), and adds the pastel chip set without slipping into Mailchimp territory.
What it inherits: Substack’s cream paper-canvas convention, Stripe’s confidence in a singular brand color, Mailchimp’s pastel category-marking convention (softened and refined). What it borrows from contemporaries: Notion’s off-white-paper register, Anthropic’s eyebrow + body + section-rhythm cadence, Linear’s hairline-border restraint. What it rejects: pure white SaaS canvases (Vercel, Mintlify), generic SaaS gradient hero sections, mascot illustrations (early Mailchimp), serif-everything chrome (early Substack).
Named influences:
- Substack — Cream paper canvas + serif-and-sans editorial duet for newsletters. https://substack.com
- Stripe — Confident single sky-blue for primary action; trust-via-restraint chromatic strategy. https://stripe.com
- Mailchimp (early) — The friendly-pastel chip set for feature categories — softened and refined. https://mailchimp.com
- Notion — Adjacent precedent for cream-paper canvas with custom-sans editorial register. https://notion.com
- Anthropic — Eyebrow + body + magazine-pace cadence; cream-canvas sibling. https://anthropic.com
- Libre Franklin (Pablo Impallari) — Open-source body workhorse, crisp humanist sans. https://fonts.google.com/specimen/Libre+Franklin
- Libre Caslon Text — Editorial pull-quote serif. https://fonts.google.com/specimen/Libre+Caslon+Text
- The Kit in-house brand team — Custom KitSansFont commission, pastel chip choreography, sky-blue Stripe discipline.
14. Do’s and Don’ts
Do
- Do typeset display in KitSansFont with leading below 1.0 (e.g.
0.95); the chunky stacked headline is the brand voice. - Do use the pastel chip set for feature categories — peach for tools, mint for growth, sky for audience, lilac for community, gold for pricing.
- Do keep the canvas warm-cream
#f9f7f4; pure white reads as a different product (Mailchimp, current ConvertKit competitors). - Do anchor the palette with a single sky-blue
#44b1fffor primary CTA and link layer. Stripe-discipline is the trust signal. - Do use near-black
#1e1e1etext on the sky-blue button. The inversion (most blue CTAs use white text) is part of the brand. - Do typeset body in Libre Franklin at 18px / 1.5 — slightly larger than the SaaS-standard 16px to read as editorial.
- Do use deeper paper
#f2efe9for inset feature bands and pricing emphasis. Three-tier paper layering is the depth language. - Do reserve serif (Libre Caslon Text) for pull-quotes only — italic, magazine-register.
- Do use eyebrow caps in Libre Franklin (not mono) at 12px / 0.06em tracking.
- Do ship full pills (9999px) on email-capture inputs and primary CTAs.
Don’t
- Don’t mix more than two pastel chips in a single module — the rainbow is sequenced, not stacked.
- Don’t spread
#44b1ffbeyond primary action and link — the singular-blue discipline is the trust signal. - Don’t drop the body face below Libre Franklin 400; the editorial crispness depends on it.
- Don’t use white text on the sky-blue CTA. Near-black on sky is the brand inversion.
- Don’t introduce a third sans family. KitSansFont + Libre Franklin is the system.
- Don’t use serif on body or chrome. Libre Caslon Text is for pull-quotes only.
- Don’t apply heavy drop-shadows. Kit’s depth language is paper-tonal layering.
- Don’t ship a pure white canvas. Cream
#f9f7f4is the entry ticket. - Don’t crowd the page. The cream space is part of the brand.
- Don’t use saturated mid-pastels. The chip set is intentionally light — peach is
#ffd0ad, not#ff9966. The lightness is what keeps the chips editorial rather than juvenile.
15. Agent Prompt Guide
Quick Color Reference
bg: #f9f7f4
bg-alt: #f2efe9
surface: #ffffff
text: #1e1e1e
brand-sky: #44b1ff
on-brand: #1e1e1e (near-black on sky is the signature)
accent-peach: #ffd0ad
accent-mint: #b9e9c5
accent-sky: #bce1fa
accent-lilac: #e7c9f1
accent-gold: #f2ba41
border: #0000000fExample Component Prompts
-
“Create a hero in Kit style — cream
#f9f7f4canvas, 80px headline in KitSansFont 500 with0.95line-height (line-height < 1.0 is the signature) and tracking 0, 18px Libre Franklin 400 lede in near-black, single primary CTA in sky-blue#44b1ffpill (9999px radius) with near-black#1e1e1elabel, no gradient, no animation. Reading column capped at 680px.” -
“Design a capability card in Kit style — white
#ffffffbackground, 16px radius, 1px#0000000fhairline border, 32px interior padding, 22px KitSansFont 500 heading, 18px Libre Franklin 400 body in 80% black, no shadow, hover deepens border to#00000019and adds 12px shadow at 6% black.” -
“Build a pastel feature block — full-bleed peach
#ffd0adbackground (or mint, sky, lilac, gold — one only), 64px vertical padding, 48px KitSansFont 500 heading in near-black, 18px Libre Franklin body in 80% black, single secondary outlined button (transparent + 1px black 0.10 border, pill radius).” -
“Compose an email-capture pair — wide pill input (
#ffffffbg, 1px black 0.10 border, 9999px radius, 14×24 padding, Libre Franklin 400 / 16px placeholder), and adjacent sky-blue pill CTA (#44b1ffbg, near-blackGet started freelabel) hard-right. The pair is the most-used Kit component on the marketing site.” -
“Render an editorial pull-quote — Libre Caslon Text 28px / 400 / italic, near-black text, 4px sky-blue vertical rule on the left edge, sits in a deeper paper
#f2efe9inset block at 16px radius, 48px interior padding.” -
“Create the primary nav — 72px header height, cream
#f9f7f4background (becomes opaque-cream-blur on scroll), Kit wordmark in custom KitSansFont with sky accent stroke, links 15px Libre Franklin 500 with sky-on-hover, right-aligned ghost ‘Sign in’ + sky-blue pill ‘Get started free’ pair.”
Iteration Guide
- Start with cream, not white. If the bg is
#ffffff, you’re in Mintlify/Vercel territory. Cream#f9f7f4is the entry ticket. - Switch the headline to KitSansFont with line-height < 1.0. Inter or system-ui at 1.1 line-height collapses the brand into generic-SaaS territory. The chunky-stacked humanist hero is the signature.
- Body to Libre Franklin at 18px. 16px reads as web-app; 18px reads as editorial-magazine. The size is part of the brand.
- Anchor with one sky-blue.
#44b1fffor primary CTA, link, brand wordmark accent. Don’t introduce a second blue or a different brand color. - Add one pastel chip per section, not three. The rainbow is sequenced — peach for tools, mint for growth, sky for audience, lilac for community, gold for pricing. One per module.
- Use near-black on the sky CTA. White-on-sky is the SaaS default; near-black-on-sky is the Kit-specific inversion.
- Drop the shadows; tier the paper. Replace box-shadows with deeper paper
#f2efe9insets; cards use hairline borders. - Calm the verbs. Replace “Sign up now!” with “Get started free”; replace “Learn more →” with “See pricing”. The voice is creator-direct, never urgent.
Drop kit-com into your project, then ship the actual sections in an afternoon.
1 · install design
npx design-md add kit-com 2 · ship landing page
npx agentkit init --design kit-com light editorial
Stripe
Editorial fintech polish — light Söhne headlines at weight 300, navy-not-black text, sig…
Docs
Install
Stripe
webdesignhot
light editorial
Notion
Off-white canvas with Lyon serif accents and a custom NotionInter — a workspace dressed…
Docs
Install
Notion
webdesignhot
dark minimal
Linear
Dark-canvas product surface — pure-black ground, indigo accent, custom Inter weights, pi…
Docs
Install
Linear
webdesignhot