Substack vs Polar
53 token-level differences between these two design systems.
Background
#ffffff → #171719 Text
#363737 → #d7d8da Brand
#ff6719 → #5b3eea Border
rgba(0, 0, 0, 0.10) → #1d1e20 Display font
Cahuenga → InterDisplay Body size
19px → 16px colors 46 changed
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bg #ffffff → #171719 ~
surface #ffffff → #101011 ~
text #363737 → #d7d8da ~
text-strong #1a1a1a → #ffffff ~
text-soft #666c70 → #71727a ~
text-faint #a8a8a8 → #4a4b50 ~
text-muted #878787 → #828387 ~
brand #ff6719 → #5b3eea ~
brand-hover #e85412 → #6e54f0 ~
brand-deep #cc4a0e → #3a268f ~
border rgba(0, 0, 0, 0.10) → #1d1e20 ~
border-strong rgba(0, 0, 0, 0.20) → #2a2c30 ~
border-soft rgba(0, 0, 0, 0.06) → #171719 ~
selection-bg rgba(255, 103, 25, 0.20) → #5b3eea ~
success #0d8050 → #3ddc97 ~
warning #d97706 → #e8b94f ~
danger #dc2626 → #ee5a5a ~
info #2563eb → #5ec4ee +
bg-deep #0a0a0a +
surface-alt #090909 +
surface-raised #1d1d20 +
surface-overlay #202024 +
text-on-brand #ffffff +
brand-active #4a30c8 +
brand-soft #1a1432 +
accent-stroke #ffffff +
accent-dim #282828 +
accent-serif #d7d8da +
link #9c87f5 +
link-hover #ffffff +
focus-ring #5b3eea +
selection-text #ffffff +
shadow #00000080 +
card #171719 +
popover #101011 −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
bg-soft #f6f6f3 −
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) −
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
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display {"family":"Cahuenga","size":56} → {"family":"InterDisplay","size":128} ~
h1 {"family":"Cahuenga","size":40} → {"family":"InterDisplay","size":60} ~
h2 {"family":"Cahuenga","size":32} → {"family":"InterDisplay","size":48} ~
body {"family":"Spectral","size":19} → {"family":"Inter","size":16} ~
label {"family":"Monaco","size":13} → {"family":"GeistMono","size":11} radius 1 changed
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card 12px → 24px spacing 1 changed
~
xl 48px → 64px