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