Substack vs Khan Academy
66 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#363737 → #21242c Brand
#ff6719 → #14bf96 Border
rgba(0, 0, 0, 0.10) → #d6d8de Display font
Cahuenga → Lato Body size
19px → 16px colors 60 changed
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bg-cream #fbf9f4 → #fef9e9 ~
text #363737 → #21242c ~
text-strong #1a1a1a → #0c0d0f ~
text-soft #666c70 → #797d8a ~
text-muted #878787 → #5b5e6b ~
text-link #363737 → #0a7d63 ~
brand #ff6719 → #14bf96 ~
brand-hover #e85412 → #0e9a78 ~
brand-deep #cc4a0e → #0a7d63 ~
border rgba(0, 0, 0, 0.10) → #d6d8de ~
border-strong rgba(0, 0, 0, 0.20) → #a8aab2 ~
border-soft rgba(0, 0, 0, 0.06) → #e7e9ed ~
success #0d8050 → #0a7d63 ~
warning #d97706 → #d68a17 ~
danger #dc2626 → #d23a48 ~
info #2563eb → #1865f2 +
bg-warm #f7f8fa +
bg-muted #fafbfc +
bg-deep #21242c +
bg-promo #e3f9f1 +
surface-elevated #ffffff +
surface-hover #f7f8fa +
surface-soft #f0fcf7 +
surface-strong #e7e9ed +
text-disabled #a8aab2 +
text-on-brand #ffffff +
text-link-hover #06664f +
brand-active #0a7d63 +
brand-soft #e3f9f1 +
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-soft #e3f9f1 +
warning-soft #fef9e9 +
danger-soft #fdebed +
info-soft #e6efff −
bg-elev #fafaf7 −
bg-soft #f6f6f3 −
surface-warm #fafaf7 −
text-faint #a8a8a8 −
brand-tint rgba(255, 103, 25, 0.10) −
brand-tint-strong rgba(255, 103, 25, 0.18) −
border-warm rgba(0, 0, 0, 0.08) −
selection-bg rgba(255, 103, 25, 0.20) −
shadow-soft rgba(0, 0, 0, 0.06) −
shadow-medium rgba(0, 0, 0, 0.10) −
reading-rule rgba(0, 0, 0, 0.08) typography 5 changed
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display {"family":"Cahuenga","size":56} → {"family":"Lato","size":56} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Lato","size":40} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Lato","size":32} ~
body {"family":"Spectral","size":19} → {"family":"Lato","size":16} ~
label {"family":"Monaco","size":13} → {"family":"Source Code Pro","size":11} radius 1 changed
~
card 12px → 8px spacing identical
No differences.