Cal.com vs Claude.ai
67 token-level differences between these two design systems.
Background
#f4f4f4 → #f8f8f6 Text
#111111 → #121212 Brand
#111111 → #cd6f47 Border
rgba(0, 0, 0, 0.08) → rgba(18,18,18,0.12) Display font
Cal Sans → Anthropic Serif Body size
16px → 17px colors 59 changed
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bg #f4f4f4 → #f8f8f6 ~
bg-soft #fafafa → #faf9f5 ~
surface-soft #f8f9fa → #fbfaf6 ~
text #111111 → #121212 ~
text-muted #898989 → #666660 ~
text-faint #9ca3af → #b4b4a8 ~
brand #111111 → #cd6f47 ~
link #0000ee → #121212 ~
link-visited #551a8b → #7d3c1f ~
link-hover #0000aa → #cd6f47 ~
border rgba(0, 0, 0, 0.08) → rgba(18,18,18,0.12) ~
border-soft #f3f4f6 → rgba(18,18,18,0.06) ~
border-strong #e5e7eb → rgba(18,18,18,0.18) +
bg-deep #f0efea +
surface-warm #f3f0ea +
text-subtle #8e8e85 +
text-on-brand #ffffff +
text-on-cta #f8f8f6 +
text-on-dark #f3f0ea +
brand-soft #f3e7df +
brand-paler #fdf0e8 +
brand-strong #a85530 +
brand-deep #7d3c1f +
cta-bg #121212 +
cta-text #f8f8f6 +
cta-hover #2a2a2a +
cta-active #3d3d3d +
scrim rgba(18,18,18,0.45) +
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 −
surface-card #f5f5f5 −
surface-strong #e5e7eb −
surface-dark #101010 −
surface-dark-elev #1a1a1a −
text-body #374151 −
text-soft #6b7280 −
brand-active #242424 −
brand-disabled #e5e7eb −
on-dark #ffffff −
on-dark-soft #a1a1aa −
brand-accent #3b82f6 −
badge-orange #fb923c −
badge-pink #ec4899 −
badge-violet #8b5cf6 −
badge-emerald #34d399 −
semantic-success #10b981 −
semantic-warning #f59e0b −
semantic-danger #ef4444 −
semantic-info #3b82f6 typography 5 changed
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display {"family":"Cal Sans","size":64} → {"family":"Anthropic Serif","size":56} ~
h1 {"family":"Cal Sans","size":36} → {"family":"Anthropic Serif","size":48} ~
h2 {"family":"Cal Sans","size":28} → {"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 1 changed
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card 20px → 12px spacing 2 changed
~
lg 48px → 32px ~
xl 96px → 48px