Brilliant vs Substack
53 token-level differences between these two design systems.
Background
#0c0e16 → #ffffff Text
#ffffff → #363737 Brand
#fc6e51 → #ff6719 Border
rgba(255, 255, 255, 0.08) → rgba(0, 0, 0, 0.10) Display font
Brilliant Sans → Cahuenga Body size
16px → 19px colors 42 changed
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bg #0c0e16 → #ffffff ~
bg-elev #1c1f2c → #fafaf7 ~
surface #13151f → #ffffff ~
brand #fc6e51 → #ff6719 ~
brand-hover #ff8268 → #e85412 ~
brand-deep #b8401f → #cc4a0e ~
brand-tint rgba(252, 110, 81, 0.15) → rgba(255, 103, 25, 0.10) ~
text #ffffff → #363737 ~
text-strong #ffffff → #1a1a1a ~
text-muted #a8acba → #878787 ~
text-soft #7a7e8c → #666c70 ~
text-faint #5a5e6c → #a8a8a8 ~
border rgba(255, 255, 255, 0.08) → rgba(0, 0, 0, 0.10) ~
border-strong rgba(255, 255, 255, 0.16) → rgba(0, 0, 0, 0.20) ~
success #5ac38a → #0d8050 ~
warning #ffd44d → #d97706 ~
danger #ff5a6d → #dc2626 ~
info #5ac3e5 → #2563eb +
bg-cream #fbf9f4 +
bg-soft #f6f6f3 +
surface-warm #fafaf7 +
text-link #363737 +
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) +
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-deep #06070d −
bg-section #13151f −
surface-strong #1f2230 −
brand-pressed #e25738 −
text-on-brand #ffffff −
link #fc6e51 −
link-hover #ffffff −
selected-bg rgba(252, 110, 81, 0.15) −
border-brand #fc6e51 −
diagram-coral #fc6e51 −
diagram-yellow #ffd44d −
diagram-cyan #5ac3e5 −
diagram-purple #b582ff typography 5 changed
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display {"family":"Brilliant Sans","size":88} → {"family":"Cahuenga","size":56} ~
h1 {"family":"Brilliant Sans","size":40} → {"family":"Cahuenga","size":40} ~
h2 {"family":"Brilliant Sans","size":32} → {"family":"Cahuenga","size":32} ~
body {"family":"Brilliant Sans","size":16} → {"family":"Spectral","size":19} ~
label {"family":"JetBrains Mono","size":13} → {"family":"Monaco","size":13} radius 1 changed
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button 8px → 6px spacing 5 changed
~
xs 0px → 4px ~
sm 4px → 8px ~
md 12px → 16px ~
lg 24px → 32px ~
xl 40px → 48px