Optimism vs Casper
61 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#000000 → #1e306e Brand
#ff0420 → #1e306e Border
#e0e0e0 → #dde0e9 Display font
Optimism Display → New Kansas Body size
16px → 16px colors 51 changed
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bg-soft #f5f5f5 → #f6f7fa ~
text #000000 → #1e306e ~
text-muted #5a5a5a → #5a6488 ~
brand #ff0420 → #1e306e ~
brand-hover #cc0319 → #011a54 ~
brand-deep #7d020f → #012169 ~
border #e0e0e0 → #dde0e9 ~
border-soft #ebebeb → #edeef3 ~
border-strong #c0c0c0 → #1e306e ~
focus-ring rgba(255,4,32,0.45) → #012169 ~
link #ff0420 → #1e306e ~
link-hover #cc0319 → #012169 +
bg-subtle #edeef3 +
surface #ffffff +
surface-tint #f6f7fa +
surface-inverse #1e306e +
on-surface-inverse #ffffff +
accent-tint #e8eaf0 +
accent-tint-strong #dde0e9 +
text-strong #012169 +
text-faint #8b93ac +
text-on-brand #ffffff +
success #1f7a4d +
success-bg #e8f3ed +
warning #9a6212 +
warning-bg #f7efe1 +
danger #b3261e +
danger-bg #f8e8e6 +
info #1e306e +
info-bg #edeef3 −
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-soft #ff04201a −
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%) −
scrim rgba(0,0,0,0.65) typography 5 changed
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display {"family":"Optimism Display","size":72} → {"family":"New Kansas","size":80} ~
h1 {"family":"Optimism Display","size":40} → {"family":"New Kansas","size":40} ~
h2 {"family":"Optimism Display","size":32} → {"family":"New Kansas","size":32} ~
body {"family":"Inter","size":16} → {"family":"Calibre","size":16} ~
label {"family":"JetBrains Mono","size":11} → {"family":"SFMono-Regular","size":13} radius 2 changed
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button 12px → 8px ~
pill 999px → 9999px spacing 3 changed
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xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px