Optimism vs Duolingo
78 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#000000 → #4b4b4b Brand
#ff0420 → #58cc02 Border
#e0e0e0 → #e5e5e5 Display font
Optimism Display → din-round Body size
16px → 16px colors 66 changed
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bg-soft #f5f5f5 → #f7f7f7 ~
text #000000 → #4b4b4b ~
text-muted #5a5a5a → #777777 ~
brand #ff0420 → #58cc02 ~
brand-hover #cc0319 → #61e002 ~
brand-deep #7d020f → #3a8c00 ~
border #e0e0e0 → #e5e5e5 ~
border-soft #ebebeb → #f0f0f0 ~
border-strong #c0c0c0 → #d4d4d4 +
bg-warm #fff4dd +
surface #ffffff +
surface-soft #fafafa +
surface-tinted #f0fff0 +
text-strong #3c3c3c +
text-soft #afafaf +
text-faint #d4d4d4 +
text-on-brand #ffffff +
text-link #1cb0f6 +
brand-pressed #46a302 +
brand-tint #d7ffb8 +
streak-orange #ff9600 +
streak-orange-deep #cc7700 +
heart-red #ff4b4b +
heart-red-deep #e02e2e +
xp-gold #ffc800 +
xp-gold-deep #cc9f00 +
super-purple #ce82ff +
super-purple-deep #a560d4 +
macaw-blue #1cb0f6 +
macaw-blue-deep #0a8acf +
border-brand #58cc02 +
shadow-button #46a302 +
shadow-card rgba(0, 0, 0, 0.08) +
shadow-modal rgba(0, 0, 0, 0.16) +
success #58cc02 +
success-bg #d7ffb8 +
warning #ff9600 +
warning-bg #fff4dd +
danger #ff4b4b +
danger-bg #ffe5e5 +
info #1cb0f6 +
info-bg #ddf4ff −
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%) −
focus-ring rgba(255,4,32,0.45) −
scrim rgba(0,0,0,0.65) −
link #ff0420 −
link-hover #cc0319 typography 5 changed
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display {"family":"Optimism Display","size":72} → {"family":"din-round","size":88} ~
h1 {"family":"Optimism Display","size":40} → {"family":"din-round","size":40} ~
h2 {"family":"Optimism Display","size":32} → {"family":"din-round","size":32} ~
body {"family":"Inter","size":16} → {"family":"Lexend Deca","size":16} ~
label {"family":"JetBrains Mono","size":11} → {"family":"SFMono-Regular","size":14} radius 2 changed
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card 12px → 24px ~
pill 999px → 9999px spacing 5 changed
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xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px ~
lg 32px → 24px ~
xl 64px → 40px