Biome vs Substack
70 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#353841 → #363737 Brand
#0065da → #ff6719 Border
#e4e7ec → rgba(0, 0, 0, 0.10) Display font
Inter → Cahuenga Body size
16px → 19px colors 60 changed
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bg-soft #f7f8fa → #f6f6f3 ~
text #353841 → #363737 ~
text-strong #17181c → #1a1a1a ~
text-muted #6b7280 → #878787 ~
text-faint #9ca3af → #a8a8a8 ~
brand #0065da → #ff6719 ~
border #e4e7ec → rgba(0, 0, 0, 0.10) ~
border-strong #d0d5dd → rgba(0, 0, 0, 0.20) +
bg-elev #fafaf7 +
bg-cream #fbf9f4 +
surface-warm #fafaf7 +
text-soft #666c70 +
text-link #363737 +
brand-hover #e85412 +
brand-deep #cc4a0e +
brand-tint rgba(255, 103, 25, 0.10) +
brand-tint-strong rgba(255, 103, 25, 0.18) +
border-soft rgba(0, 0, 0, 0.06) +
border-warm rgba(0, 0, 0, 0.08) +
selection-bg rgba(255, 103, 25, 0.20) +
success #0d8050 +
warning #d97706 +
danger #dc2626 +
info #2563eb +
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-strong #eef0f3 −
surface-soft #fbfcfd −
brand-strong #0052b3 −
brand-soft #e6f0fc −
brand-faint #f2f7fe −
accent #0065da −
accent-soft #e6f0fc −
link #0065da −
link-hover #0052b3 −
selected #e6f0fc −
disabled-bg #eef0f3 −
disabled-text #9ca3af −
border-subtle #f0f1f4 −
divider #e4e7ec −
inverse-bg #17181c −
inverse-text #e4e7ec −
inverse-text-muted #9ca3af −
shadow-ambient rgba(16, 24, 40, 0.04) −
shadow-standard rgba(16, 24, 40, 0.08) −
shadow-brand rgba(0, 101, 218, 0.18) −
success-bg #ecfdf3 −
success-text #027a48 −
success-border #abefc6 −
warning-bg #fffaeb −
warning-text #b54708 −
warning-border #fedf89 −
danger-bg #fef3f2 −
danger-text #b42318 −
danger-border #fecdca −
info-bg #e6f0fc −
info-text #0052b3 −
info-border #b3d4f5 −
on-inverse #e4e7ec typography 5 changed
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display {"family":"Inter","size":80} → {"family":"Cahuenga","size":56} ~
h1 {"family":"Inter","size":64} → {"family":"Cahuenga","size":40} ~
h2 {"family":"Inter","size":40} → {"family":"Cahuenga","size":32} ~
body {"family":"Inter","size":16} → {"family":"Spectral","size":19} ~
label {"family":"JetBrains Mono","size":13} → {"family":"Monaco","size":13} radius 1 changed
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button 5px → 6px spacing 4 changed
~
xs 0px → 4px ~
sm 4px → 8px ~
md 12px → 16px ~
xl 64px → 48px