Cal.com vs Optimism
60 token-level differences between these two design systems.
Background
#f4f4f4 → #ffffff Text
#111111 → #000000 Brand
#111111 → #ff0420 Border
rgba(0, 0, 0, 0.08) → #e0e0e0 Display font
Cal Sans → Optimism Display Body size
16px → 16px colors 52 changed
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bg #f4f4f4 → #ffffff ~
bg-soft #fafafa → #f5f5f5 ~
surface-card #f5f5f5 → #ffffff ~
text #111111 → #000000 ~
text-body #374151 → #1a1a1a ~
text-muted #898989 → #5a5a5a ~
brand #111111 → #ff0420 ~
brand-active #242424 → #a30214 ~
link #0000ee → #ff0420 ~
link-hover #0000aa → #cc0319 ~
border rgba(0, 0, 0, 0.08) → #e0e0e0 ~
border-soft #f3f4f6 → #ebebeb ~
border-strong #e5e7eb → #c0c0c0 ~
semantic-info #3b82f6 → #ff0420 +
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) −
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 typography 3 changed
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display {"family":"Cal Sans","size":64} → {"family":"Optimism Display","size":72} ~
h1 {"family":"Cal Sans","size":36} → {"family":"Optimism Display","size":40} ~
h2 {"family":"Cal Sans","size":28} → {"family":"Optimism Display","size":32} radius 3 changed
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button 8px → 12px ~
card 20px → 12px ~
pill 9999px → 999px spacing 2 changed
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lg 48px → 32px ~
xl 96px → 64px