Polygon vs Substack
65 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#0e0820 → #363737 Brand
#8247e5 → #ff6719 Border
#e0d8ed → rgba(0, 0, 0, 0.10) Display font
Polygon Display → Cahuenga Body size
16px → 19px colors 56 changed
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bg-soft #f5f3fa → #f6f6f3 ~
text #0e0820 → #363737 ~
text-muted #6b5d8a → #878787 ~
brand #8247e5 → #ff6719 ~
brand-hover #6a35c4 → #e85412 ~
border #e0d8ed → rgba(0, 0, 0, 0.10) ~
border-soft #ebe6f4 → rgba(0, 0, 0, 0.06) ~
border-strong #c9bcdd → rgba(0, 0, 0, 0.20) +
bg-elev #fafaf7 +
bg-cream #fbf9f4 +
surface #ffffff +
surface-warm #fafaf7 +
text-strong #1a1a1a +
text-soft #666c70 +
text-faint #a8a8a8 +
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) +
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 #ebe6f4 −
bg-dark #1a1233 −
bg-dark-elev #241844 −
bg-dark-deep #0e0820 −
surface-card #ffffff −
surface-card-soft #f5f3fa −
text-body #3a2f5a −
text-subtle #9c92b5 −
text-on-dark #ffffff −
text-on-dark-soft #a89cc7 −
brand-active #522aa3 −
brand-light #a875ee −
brand-soft #8247e51a −
brand-glow rgba(130,71,229,0.40) −
accent-violet #5a3eff −
accent-cyan #16c4d6 −
accent-pink #e74694 −
semantic-up #22c55e −
semantic-up-soft #22c55e1a −
semantic-down #ef4444 −
semantic-warning #f59e0b −
semantic-info #8247e5 −
gradient-hero linear-gradient(135deg, #1a1233 0%, #2d1c5c 50%, #8247e5 100%) −
gradient-card linear-gradient(135deg, rgba(130,71,229,0.10) 0%, rgba(130,71,229,0.02) 100%) −
focus-ring rgba(130,71,229,0.40) −
scrim rgba(14,8,32,0.60) −
link #8247e5 −
link-hover #6a35c4 typography 5 changed
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display {"family":"Polygon Display","size":72} → {"family":"Cahuenga","size":56} ~
h1 {"family":"Polygon Display","size":40} → {"family":"Cahuenga","size":40} ~
h2 {"family":"Polygon Display","size":32} → {"family":"Cahuenga","size":32} ~
body {"family":"Inter","size":16} → {"family":"Spectral","size":19} ~
label {"family":"JetBrains Mono","size":11} → {"family":"Monaco","size":13} radius 3 changed
~
button 12px → 6px ~
card 16px → 12px ~
pill 999px → 9999px spacing 1 changed
~
xl 64px → 48px