Design System PreviewSpline

Pure-black 3D-design canvas with electric-blue CTAs and a playful multi-color accent set — the browser becomes the viewport.

Light Dark
01 · Color Palette

Color Palette

bg
#000000
bg-elevated
#0a0a0c
bg-panel
#1e1e23
bg-dropdown
rgba(30, 30, 35, 0.8)
surface
#0d0d10
surface-soft
rgba(255, 255, 255, 0.03)
surface-hover
rgba(255, 255, 255, 0.05)
text
#ffffff
text-90
rgba(255, 255, 255, 0.9)
text-80
rgba(255, 255, 255, 0.8)
text-muted
rgba(255, 255, 255, 0.7)
text-60
rgba(255, 255, 255, 0.6)
text-40
rgba(255, 255, 255, 0.4)
text-20
rgba(255, 255, 255, 0.2)
brand
#0062ff
brand-lighter
#5797ff
brand-dark
#217ce5
brand-ios
#5966f3
on-brand
#ffffff
cta-secondary-bg
rgba(255, 255, 255, 0.2)
cta-secondary-text
#ffffff
btn-bg
rgba(255, 255, 255, 0.05)
btn-bg-highlight
rgba(255, 255, 255, 0.06)
accent-red
#fd585b
02 · Typography Scale

Typography Scale

display 56px
Display headline
h1 40px
Large heading 1
h2 28px
Heading 2
h3 22px
Heading 3
body-lg 18px
Body large — primary reading paragraph for marketing surfaces.
body 16px
Body — standard reading paragraph at the system default.
body-sm 14px
Small body — captions and secondary copy.
label 11px
Label / mono uppercase
mono 13px
const greeting = "Hello world";
03 · Button Variants

Button Variants

Primary Secondary Ghost Danger Disabled Primary Pill
04 · Card Examples

Card Examples

New

Online Payments

Accept cards, wallets, and bank debits. One integration, every method.

Beta

Revenue Recognition

Automate revenue accrual for subscriptions, usage, and one-time charges.

Pro

Platform Payments

Build marketplaces and platforms with built-in payouts and compliance.

05 · Form Elements

Form Elements

Submit
06 · Spacing Scale

Spacing Scale

xs · 4px
sm · 8px
md · 16px
lg · 24px
xl · 32px
2xl · 48px
3xl · 64px
4xl · 96px
07 · Border Radius

Border Radius

0
2
4
8
12
pill
08 · Elevation

Elevation

level 1
level 2
level 3
level 4