Substack vs LangChain
61 token-level differences between these two design systems.
Background
#ffffff → #0f172a Text
#363737 → #f8fafc Brand
#ff6719 → #1e90ff Border
rgba(0, 0, 0, 0.10) → #1e293b Display font
Cahuenga → Inter Body size
19px → 16px colors 53 changed
~
bg #ffffff → #0f172a ~
surface #ffffff → #1e293b ~
text #363737 → #f8fafc ~
text-strong #1a1a1a → #e2e8f0 ~
text-faint #a8a8a8 → #64748b ~
text-muted #878787 → #94a3b8 ~
brand #ff6719 → #1e90ff ~
brand-hover #e85412 → #1d4ed8 ~
border rgba(0, 0, 0, 0.10) → #1e293b ~
border-strong rgba(0, 0, 0, 0.20) → #334155 ~
border-soft rgba(0, 0, 0, 0.06) → #1e293b ~
success #0d8050 → #10b981 ~
warning #d97706 → #f59e0b ~
danger #dc2626 → #f43f5e ~
info #2563eb → #1e90ff +
bg-deep #020617 +
surface-soft #111827 +
surface-elevated #334155 +
surface-light #f8fafc +
text-body #cbd5e1 +
text-on-light #0f172a +
brand-active #1e40af +
brand-soft #dbeafe +
on-dark #f8fafc +
link #60a5fa +
link-hover #93c5fd +
link-on-light #1e90ff +
border-blue #1e90ff +
shadow-color rgba(2, 6, 23, 0.5) +
shadow-glow-blue rgba(30, 144, 255, 0.20) +
accent-emerald #10b981 +
accent-rose #f43f5e +
accent-amber #f59e0b +
accent-violet #8b5cf6 +
accent-cyan #06b6d4 +
code-keyword #60a5fa +
code-string #10b981 +
code-comment #64748b +
code-symbol #f59e0b −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
bg-soft #f6f6f3 −
surface-warm #fafaf7 −
text-soft #666c70 −
text-link #363737 −
brand-deep #cc4a0e −
brand-tint rgba(255, 103, 25, 0.10) −
brand-tint-strong rgba(255, 103, 25, 0.18) −
border-warm rgba(0, 0, 0, 0.08) −
selection-bg rgba(255, 103, 25, 0.20) −
shadow-soft rgba(0, 0, 0, 0.06) −
shadow-medium rgba(0, 0, 0, 0.10) −
reading-rule rgba(0, 0, 0, 0.08) typography 5 changed
~
display {"family":"Cahuenga","size":56} → {"family":"Inter","size":72} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Inter","size":40} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Inter","size":32} ~
body {"family":"Spectral","size":19} → {"family":"Inter","size":16} ~
label {"family":"Monaco","size":13} → {"family":"JetBrains Mono","size":11} radius 1 changed
~
button 6px → 8px spacing 2 changed
~
lg 32px → 48px ~
xl 48px → 96px