Substack vs Relume
52 token-level differences between these two design systems.
Background
#ffffff → #f1f0ee Text
#363737 → #161616 Brand
#ff6719 → #161616 Border
rgba(0, 0, 0, 0.10) → rgba(22,22,22,0.12) Display font
Cahuenga → Relative Faux Body size
19px → 16px colors 42 changed
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bg #ffffff → #f1f0ee ~
bg-elev #fafaf7 → #f7f6f4 ~
bg-soft #f6f6f3 → #e9e8e5 ~
text #363737 → #161616 ~
text-strong #1a1a1a → #000000 ~
text-soft #666c70 → #6b6b6b ~
text-faint #a8a8a8 → #9a9a9a ~
text-muted #878787 → #3e3e3e ~
brand #ff6719 → #161616 ~
brand-hover #e85412 → #3e3e3e ~
border rgba(0, 0, 0, 0.10) → rgba(22,22,22,0.12) ~
border-strong rgba(0, 0, 0, 0.20) → rgba(22,22,22,0.24) ~
border-soft rgba(0, 0, 0, 0.06) → rgba(22,22,22,0.06) ~
success #0d8050 → #1f7a4d ~
warning #d97706 → #8a6d1f ~
danger #dc2626 → #9a2a2a ~
info #2563eb → #161616 +
bg-dark #161616 +
bg-dark-2 #222222 +
surface-2 #e9e8e5 +
surface-dark #222222 +
text-on-dark #ffffff +
text-on-dark-muted #b8b8b8 +
text-on-brand #ffffff +
brand-active #000000 +
brand-soft rgba(22,22,22,0.06) +
border-dark rgba(255,255,255,0.14) +
success-bg #e3f0e9 +
warning-bg #f2ecd9 +
danger-bg #f2e0e0 +
info-bg rgba(22,22,22,0.06) −
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
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display {"family":"Cahuenga","size":56} → {"family":"Relative Faux","size":88} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Relative Faux","size":56} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Relative Faux","size":40} ~
body {"family":"Spectral","size":19} → {"family":"Relative","size":16} ~
label {"family":"Monaco","size":13} → {"family":"SFMono-Regular","size":14} radius 1 changed
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button 6px → 8px spacing 4 changed
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xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px ~
xl 48px → 64px