Optimism vs Claude.ai
69 token-level differences between these two design systems.
Background
#ffffff → #f8f8f6 Text
#000000 → #121212 Brand
#ff0420 → #cd6f47 Border
#e0e0e0 → rgba(18,18,18,0.12) Display font
Optimism Display → Anthropic Serif Body size
16px → 17px colors 61 changed
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bg #ffffff → #f8f8f6 ~
bg-soft #f5f5f5 → #faf9f5 ~
text #000000 → #121212 ~
text-muted #5a5a5a → #666660 ~
text-subtle #8a8a8a → #8e8e85 ~
text-on-dark #ffffff → #f3f0ea ~
brand #ff0420 → #cd6f47 ~
brand-soft #ff04201a → #f3e7df ~
brand-deep #7d020f → #7d3c1f ~
border #e0e0e0 → rgba(18,18,18,0.12) ~
border-soft #ebebeb → rgba(18,18,18,0.06) ~
border-strong #c0c0c0 → rgba(18,18,18,0.18) ~
scrim rgba(0,0,0,0.65) → rgba(18,18,18,0.45) ~
link #ff0420 → #121212 ~
link-hover #cc0319 → #cd6f47 +
bg-deep #f0efea +
surface #ffffff +
surface-soft #fbfaf6 +
surface-warm #f3f0ea +
text-strong #000000 +
text-faint #b4b4a8 +
text-on-brand #ffffff +
text-on-cta #f8f8f6 +
brand-paler #fdf0e8 +
brand-strong #a85530 +
cta-bg #121212 +
cta-text #f8f8f6 +
cta-hover #2a2a2a +
cta-active #3d3d3d +
link-visited #7d3c1f +
shadow-warm rgba(18,18,18,0.04) +
shadow-card rgba(18,18,18,0.06) +
shadow-elev rgba(18,18,18,0.10) +
shadow-modal rgba(18,18,18,0.18) +
success #5a8c5a +
success-soft #e6efe2 +
warning #b58a3c +
warning-soft #fbf3df +
danger #b54a3c +
danger-soft #fbe8e3 +
info #5a708c +
highlight #fbe8d6 −
bg-strong #e6e6e6 −
bg-dark #000000 −
bg-dark-elev #1a1a1a −
bg-dark-deep #0a0a0a −
surface-card #ffffff −
surface-card-soft #f5f5f5 −
text-body #1a1a1a −
text-on-dark-soft #a8a8a8 −
brand-hover #cc0319 −
brand-active #a30214 −
brand-glow rgba(255,4,32,0.40) −
brand-bright #ff3344 −
semantic-up #10b981 −
semantic-down #ef4444 −
semantic-warning #f59e0b −
semantic-info #ff0420 −
gradient-hero linear-gradient(135deg, #000000 0%, #1a1a1a 60%, #7d020f 100%) −
gradient-red linear-gradient(135deg, #ff0420 0%, #cc0319 100%) −
focus-ring rgba(255,4,32,0.45) typography 5 changed
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display {"family":"Optimism Display","size":72} → {"family":"Anthropic Serif","size":56} ~
h1 {"family":"Optimism Display","size":40} → {"family":"Anthropic Serif","size":48} ~
h2 {"family":"Optimism Display","size":32} → {"family":"Anthropic Serif","size":40} ~
body {"family":"Inter","size":16} → {"family":"Anthropic Sans","size":17} ~
label {"family":"JetBrains Mono","size":11} → {"family":"Anthropic Mono","size":12} radius 2 changed
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button 12px → 8px ~
pill 999px → 9999px spacing 1 changed
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xl 64px → 48px