Khan Academy vs Optimism
82 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#21242c → #000000 Brand
#14bf96 → #ff0420 Border
#d6d8de → #e0e0e0 Display font
Lato → Optimism Display Body size
16px → 16px colors 73 changed
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text #21242c → #000000 ~
text-muted #5b5e6b → #5a5a5a ~
brand #14bf96 → #ff0420 ~
brand-hover #0e9a78 → #cc0319 ~
brand-active #0a7d63 → #a30214 ~
brand-soft #e3f9f1 → #ff04201a ~
brand-deep #0a7d63 → #7d020f ~
border #d6d8de → #e0e0e0 ~
border-soft #e7e9ed → #ebebeb ~
border-strong #a8aab2 → #c0c0c0 +
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-body #1a1a1a +
text-subtle #8a8a8a +
text-on-dark #ffffff +
text-on-dark-soft #a8a8a8 +
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 −
bg-warm #f7f8fa −
bg-muted #fafbfc −
bg-cream #fef9e9 −
bg-deep #21242c −
bg-promo #e3f9f1 −
surface #ffffff −
surface-elevated #ffffff −
surface-hover #f7f8fa −
surface-soft #f0fcf7 −
surface-strong #e7e9ed −
text-strong #0c0d0f −
text-soft #797d8a −
text-disabled #a8aab2 −
text-on-brand #ffffff −
text-link #0a7d63 −
text-link-hover #06664f −
accent-blue #1865f2 −
accent-yellow #f4cf3e −
accent-orange #e07c2c −
accent-purple #9059ff −
accent-red #d23a48 −
accent-pink #e879b7 −
border-focus #14bf96 −
mastery-attempted #a8aab2 −
mastery-familiar #1865f2 −
mastery-proficient #9059ff −
mastery-mastered #0a7d63 −
energy-points #f4cf3e −
streak-fire #e07c2c −
shadow-card rgba(33,36,44,0.08) −
shadow-modal rgba(33,36,44,0.20) −
shadow-popover rgba(33,36,44,0.12) −
success #0a7d63 −
success-soft #e3f9f1 −
warning #d68a17 −
warning-soft #fef9e9 −
danger #d23a48 −
danger-soft #fdebed −
info #1865f2 −
info-soft #e6efff typography 5 changed
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display {"family":"Lato","size":56} → {"family":"Optimism Display","size":72} ~
h1 {"family":"Lato","size":40} → {"family":"Optimism Display","size":40} ~
h2 {"family":"Lato","size":32} → {"family":"Optimism Display","size":32} ~
body {"family":"Lato","size":16} → {"family":"Inter","size":16} ~
label {"family":"Source Code Pro","size":11} → {"family":"JetBrains Mono","size":11} radius 3 changed
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button 6px → 12px ~
card 8px → 12px ~
pill 9999px → 999px spacing 1 changed
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xl 48px → 64px