Booking.com vs Optimism
69 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#262626 → #000000 Brand
#003580 → #ff0420 Border
#e0e0e0 → #e0e0e0 Display font
Inter → Optimism Display Body size
14px → 16px colors 56 changed
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brand #003580 → #ff0420 ~
brand-hover #0066cc → #cc0319 ~
brand-deep #001a4d → #7d020f ~
brand-soft #cee0f0 → #ff04201a ~
text #262626 → #000000 ~
text-muted #595959 → #5a5a5a ~
link #0066cc → #ff0420 ~
link-hover #003580 → #cc0319 ~
border-strong #bdbdbd → #c0c0c0 ~
border-soft #eeeeee → #ebebeb +
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) −
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 typography 5 changed
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display {"family":"Inter","size":48} → {"family":"Optimism Display","size":72} ~
h1 {"family":"Inter","size":24} → {"family":"Optimism Display","size":40} ~
h2 {"family":"Inter","size":20} → {"family":"Optimism Display","size":32} ~
body {"family":"Inter","size":14} → {"family":"Inter","size":16} ~
label {"family":"SFMono-Regular","size":12} → {"family":"JetBrains Mono","size":11} radius 3 changed
~
button 6px → 12px ~
card 8px → 12px ~
pill 9999px → 999px spacing 5 changed
~
xs 0px → 4px ~
sm 4px → 8px ~
md 12px → 16px ~
lg 24px → 32px ~
xl 40px → 64px