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