Notion vs Substack
55 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#000000e6 → #363737 Brand
#0075de → #ff6719 Border
#0000001a → rgba(0, 0, 0, 0.10) Display font
NotionInter → Cahuenga Body size
16px → 19px colors 45 changed
~
bg-soft #fbfaf9 → #f6f6f3 ~
surface #f6f5f4 → #ffffff ~
text #000000e6 → #363737 ~
text-strong #000000f2 → #1a1a1a ~
text-muted #0000008a → #878787 ~
text-soft #00000096 → #666c70 ~
text-faint #00000061 → #a8a8a8 ~
brand #0075de → #ff6719 ~
brand-hover #005bab → #e85412 ~
border #0000001a → rgba(0, 0, 0, 0.10) ~
border-soft #00000014 → rgba(0, 0, 0, 0.06) ~
border-strong #00000033 → rgba(0, 0, 0, 0.20) ~
success #0a8754 → #0d8050 ~
warning #a06b00 → #d97706 ~
danger #a02b1d → #dc2626 ~
info #0075de → #2563eb +
bg-elev #fafaf7 +
bg-cream #fbf9f4 +
surface-warm #fafaf7 +
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) −
bg-campaign #191918 −
surface-hover #dfdcd9 −
surface-soft #f9f9f8 −
surface-strong #eeede8 −
surface-dark #28272a −
text-display #000000 −
text-on-dark #ffffff −
text-on-dark-muted #ffffffb3 −
brand-active #00396b −
brand-soft #e6f3fe −
campaign-launch #455dd3 −
accent #62aef0 −
accent-strong #097fe8 −
success-bg #e8f5ee −
warning-bg #fdf3e0 −
danger-bg #fbeae8 −
info-bg #e6f3fe typography 5 changed
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display {"family":"NotionInter","size":80} → {"family":"Cahuenga","size":56} ~
h1 {"family":"NotionInter","size":48} → {"family":"Cahuenga","size":40} ~
h2 {"family":"NotionInter","size":40} → {"family":"Cahuenga","size":32} ~
body {"family":"NotionInter","size":16} → {"family":"Spectral","size":19} ~
label {"family":"iA Writer Mono","size":11} → {"family":"Monaco","size":13} radius identical
No differences.
spacing 5 changed
~
xs 1px → 4px ~
sm 2px → 8px ~
md 6px → 16px ~
lg 12px → 32px ~
xl 20px → 48px