Substack vs Postmark
58 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#363737 → #1c1d1f Brand
#ff6719 → #ffde00 Border
rgba(0, 0, 0, 0.10) → #e5e5e2 Display font
Cahuenga → Inter Body size
19px → 17px colors 52 changed
~
bg-cream #fbf9f4 → #fdfaf0 ~
bg-soft #f6f6f3 → #fafaf7 ~
surface #ffffff → #fff8d4 ~
text #363737 → #1c1d1f ~
text-strong #1a1a1a → #000000 ~
text-soft #666c70 → #8a8d93 ~
text-faint #a8a8a8 → #b3b6bc ~
text-muted #878787 → #5c5e63 ~
brand #ff6719 → #ffde00 ~
brand-hover #e85412 → #f0d000 ~
brand-deep #cc4a0e → #b39600 ~
on-brand #ffffff → #1c1d1f ~
border rgba(0, 0, 0, 0.10) → #e5e5e2 ~
border-strong rgba(0, 0, 0, 0.20) → #cdcdc8 ~
border-soft rgba(0, 0, 0, 0.06) → #f0f0ed ~
shadow-soft rgba(0, 0, 0, 0.06) → rgba(28,29,31,0.06) ~
shadow-medium rgba(0, 0, 0, 0.10) → rgba(28,29,31,0.10) +
surface-neutral #f5f5f2 +
surface-2 #f0f0ed +
bg-dark #1c1d1f +
bg-dark-2 #26272a +
text-on-dark #ffffff +
text-on-dark-soft #c9ccd1 +
brand-active #e6c500 +
brand-soft #fff8d4 +
link #1c4eb8 +
link-hover #1a3f99 +
accent-blue #1c4eb8 +
accent-blue-soft #e6edff +
accent-green #22c55e +
accent-green-soft #dcfce7 +
accent-red #dc2626 +
accent-red-soft #fee2e2 +
accent-amber #f59e0b +
border-dark #3a3b3e +
shadow-strong rgba(28,29,31,0.18) +
semantic-success #22c55e +
semantic-warning #f59e0b +
semantic-danger #dc2626 +
semantic-info #1c4eb8 −
bg-elev #fafaf7 −
surface-warm #fafaf7 −
text-link #363737 −
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) −
success #0d8050 −
warning #d97706 −
danger #dc2626 −
info #2563eb −
reading-rule rgba(0, 0, 0, 0.08) typography 5 changed
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display {"family":"Cahuenga","size":56} → {"family":"Inter","size":72} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Inter","size":48} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Inter","size":40} ~
body {"family":"Spectral","size":19} → {"family":"Inter","size":17} ~
label {"family":"Monaco","size":13} → {"family":"JetBrains Mono","size":12} radius 1 changed
~
button 6px → 8px spacing identical
No differences.