Optimism vs Cal.com
60 token-level differences between these two design systems.
Background
#ffffff → #f4f4f4 Text
#000000 → #111111 Brand
#ff0420 → #111111 Border
#e0e0e0 → rgba(0, 0, 0, 0.08) Display font
Optimism Display → Cal Sans Body size
16px → 16px colors 52 changed
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bg #ffffff → #f4f4f4 ~
bg-soft #f5f5f5 → #fafafa ~
surface-card #ffffff → #f5f5f5 ~
text #000000 → #111111 ~
text-body #1a1a1a → #374151 ~
text-muted #5a5a5a → #898989 ~
brand #ff0420 → #111111 ~
brand-active #a30214 → #242424 ~
border #e0e0e0 → rgba(0, 0, 0, 0.08) ~
border-soft #ebebeb → #f3f4f6 ~
border-strong #c0c0c0 → #e5e7eb ~
semantic-info #ff0420 → #3b82f6 ~
link #ff0420 → #0000ee ~
link-hover #cc0319 → #0000aa +
surface #ffffff +
surface-soft #f8f9fa +
surface-strong #e5e7eb +
surface-dark #101010 +
surface-dark-elev #1a1a1a +
text-strong #000000 +
text-soft #6b7280 +
text-faint #9ca3af +
brand-disabled #e5e7eb +
on-dark #ffffff +
on-dark-soft #a1a1aa +
link-visited #551a8b +
brand-accent #3b82f6 +
badge-orange #fb923c +
badge-pink #ec4899 +
badge-violet #8b5cf6 +
badge-emerald #34d399 +
semantic-success #10b981 +
semantic-danger #ef4444 −
bg-strong #e6e6e6 −
bg-dark #000000 −
bg-dark-elev #1a1a1a −
bg-dark-deep #0a0a0a −
surface-card-soft #f5f5f5 −
text-subtle #8a8a8a −
text-on-dark #ffffff −
text-on-dark-soft #a8a8a8 −
brand-hover #cc0319 −
brand-soft #ff04201a −
brand-glow rgba(255,4,32,0.40) −
brand-deep #7d020f −
brand-bright #ff3344 −
semantic-up #10b981 −
semantic-down #ef4444 −
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) −
scrim rgba(0,0,0,0.65) typography 3 changed
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display {"family":"Optimism Display","size":72} → {"family":"Cal Sans","size":64} ~
h1 {"family":"Optimism Display","size":40} → {"family":"Cal Sans","size":36} ~
h2 {"family":"Optimism Display","size":32} → {"family":"Cal Sans","size":28} radius 3 changed
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button 12px → 8px ~
card 12px → 20px ~
pill 999px → 9999px spacing 2 changed
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lg 32px → 48px ~
xl 64px → 96px