Optimism vs Booking.com
69 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#000000 → #262626 Brand
#ff0420 → #003580 Border
#e0e0e0 → #e0e0e0 Display font
Optimism Display → Inter Body size
16px → 14px colors 56 changed
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text #000000 → #262626 ~
text-muted #5a5a5a → #595959 ~
brand #ff0420 → #003580 ~
brand-hover #cc0319 → #0066cc ~
brand-soft #ff04201a → #cee0f0 ~
brand-deep #7d020f → #001a4d ~
border-soft #ebebeb → #eeeeee ~
border-strong #c0c0c0 → #bdbdbd ~
link #ff0420 → #0066cc ~
link-hover #cc0319 → #003580 +
bg-warm #fefdf6 +
surface #ffffff +
surface-soft #fafafa +
surface-strong #f0f2f5 +
brand-pressed #002566 +
brand-tint #e8f0fa +
yellow #febb02 +
yellow-deep #cc9700 +
yellow-soft #fff4d4 +
text-strong #000000 +
text-soft #8a8a8a +
text-faint #bcbcbc +
text-on-brand #ffffff +
text-on-yellow #262626 +
selected-bg #e8f0fa +
border-brand #003580 +
rating-good #008009 +
rating-superb #003580 +
urgency #d63333 +
urgency-soft #fff0f0 +
success #008009 +
warning #d68500 +
danger #d63333 +
info #0066cc +
genius-purple #562155 −
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-subtle #8a8a8a −
text-on-dark #ffffff −
text-on-dark-soft #a8a8a8 −
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) −
scrim rgba(0,0,0,0.65) typography 5 changed
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display {"family":"Optimism Display","size":72} → {"family":"Inter","size":48} ~
h1 {"family":"Optimism Display","size":40} → {"family":"Inter","size":24} ~
h2 {"family":"Optimism Display","size":32} → {"family":"Inter","size":20} ~
body {"family":"Inter","size":16} → {"family":"Inter","size":14} ~
label {"family":"JetBrains Mono","size":11} → {"family":"SFMono-Regular","size":12} radius 3 changed
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button 12px → 6px ~
card 12px → 8px ~
pill 999px → 9999px spacing 5 changed
~
xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px ~
lg 32px → 24px ~
xl 64px → 40px