Optimism vs Booking.com
86 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#000000 → #1a1a1a Brand
#ff0420 → #003580 Border
#e0e0e0 → #e7e7e7 Display font
Optimism Display → Bookin Sans Body size
16px → 14px colors 74 changed
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text #000000 → #1a1a1a ~
text-body #1a1a1a → #262626 ~
text-muted #5a5a5a → #595959 ~
brand #ff0420 → #003580 ~
brand-hover #cc0319 → #002a66 ~
brand-active #a30214 → #001f4d ~
border #e0e0e0 → #e7e7e7 ~
border-soft #ebebeb → #f1f1f1 ~
border-strong #c0c0c0 → #bdbdbd ~
scrim rgba(0,0,0,0.65) → rgba(0,0,0,0.5) ~
link #ff0420 → #0071c2 ~
link-hover #cc0319 → #005999 +
bg-alt #f5f5f5 +
surface #ffffff +
surface-soft #f2f2f2 +
surface-strong #ebebeb +
surface-blue #ebf3ff +
surface-yellow #fff8e1 +
surface-genius #003b95 +
surface-deal #fff0d7 +
text-strong #000000 +
text-soft #737373 +
text-on-brand #ffffff +
text-on-yellow #1a1a1a +
brand-mid #0071c2 +
brand-mid-hover #005999 +
brand-light #ebf3ff +
yellow #feba02 +
yellow-hover #e0a702 +
yellow-active #c89500 +
yellow-deep #946d00 +
star-rating #feba02 +
link-visited #5e2dad +
border-input-focus #003580 +
divider #e0e0e0 +
shadow-card rgba(26,26,26,0.08) +
shadow-elev rgba(26,26,26,0.16) +
shadow-deep rgba(0,53,128,0.16) +
success #008009 +
success-soft #e7f3e7 +
success-deep #005f06 +
warning #bc4949 +
warning-soft #fff5f5 +
danger #cc0000 +
danger-soft #fff0f0 +
info #0071c2 +
info-soft #ebf3ff +
loyalty-genius #003b95 +
reward-yellow #feba02 +
rare-find #cc0000 +
high-rating-bg #003580 +
high-rating-text #ffffff −
bg-soft #f5f5f5 −
bg-strong #e6e6e6 −
bg-dark #000000 −
bg-dark-elev #1a1a1a −
bg-dark-deep #0a0a0a −
surface-card #ffffff −
surface-card-soft #f5f5f5 −
text-subtle #8a8a8a −
text-on-dark #ffffff −
text-on-dark-soft #a8a8a8 −
brand-soft #ff04201a −
brand-glow rgba(255,4,32,0.40) −
on-brand #ffffff −
brand-deep #7d020f −
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":"Bookin Sans","size":72} ~
h1 {"family":"Optimism Display","size":40} → {"family":"Bookin Sans","size":40} ~
h2 {"family":"Optimism Display","size":32} → {"family":"Bookin Sans","size":32} ~
body {"family":"Inter","size":16} → {"family":"Bookin Sans","size":14} ~
label {"family":"JetBrains Mono","size":11} → {"family":"SFMono-Regular","size":11} radius 2 changed
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button 12px → 8px ~
pill 999px → 9999px spacing 5 changed
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xs 4px → 2px ~
sm 8px → 4px ~
md 16px → 12px ~
lg 32px → 24px ~
xl 64px → 40px