Substack vs OpenRouter
61 token-level differences between these two design systems.
Background
#ffffff → #000000 Text
#363737 → #ffffff Brand
#ff6719 → #ffffff Border
rgba(0, 0, 0, 0.10) → #1f1f1f Display font
Cahuenga → OR Display Body size
19px → 15px colors 52 changed
~
bg #ffffff → #000000 ~
surface #ffffff → #111111 ~
text #363737 → #ffffff ~
text-strong #1a1a1a → #ededed ~
text-faint #a8a8a8 → #6b7280 ~
text-muted #878787 → #9ca3af ~
brand #ff6719 → #ffffff ~
on-brand #ffffff → #000000 ~
border rgba(0, 0, 0, 0.10) → #1f1f1f ~
border-strong rgba(0, 0, 0, 0.20) → #2a2a2a ~
border-soft rgba(0, 0, 0, 0.06) → #0f0f0f ~
success #0d8050 → #22c55e ~
warning #d97706 → #fbbf24 ~
danger #dc2626 → #ef4444 ~
info #2563eb → #3b82f6 +
bg-deep #000000 +
surface-soft #0a0a0a +
surface-elevated #1a1a1a +
surface-row-alt #080808 +
text-body #d4d4d4 +
text-mono-data #ededed +
brand-active #d4d4d4 +
brand-disabled #525252 +
on-dark #ffffff +
link #9ca3af +
link-hover #ffffff +
border-table #1a1a1a +
shadow-color rgba(0,0,0,0) +
accent-emerald #22c55e +
accent-rose #ef4444 +
accent-amber #fbbf24 +
accent-blue #3b82f6 +
code-keyword #ededed +
code-string #9ca3af +
code-comment #6b7280 +
table-stripe-odd #000000 +
table-stripe-even #080808 −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
bg-soft #f6f6f3 −
surface-warm #fafaf7 −
text-soft #666c70 −
text-link #363737 −
brand-hover #e85412 −
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":"OR Display","size":72} ~
h1 {"family":"Cahuenga","size":40} → {"family":"OR Display","size":40} ~
h2 {"family":"Cahuenga","size":32} → {"family":"OR Display","size":32} ~
body {"family":"Spectral","size":19} → {"family":"Inter","size":15} ~
label {"family":"Monaco","size":13} → {"family":"JetBrains Mono","size":11} radius 2 changed
~
button 6px → 8px ~
card 12px → 10px spacing 2 changed
~
lg 32px → 48px ~
xl 48px → 80px