Substack vs Udemy
71 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#363737 → #1c1d1f Brand
#ff6719 → #a435f0 Border
rgba(0, 0, 0, 0.10) → #d1d7dc Display font
Cahuenga → Udemy Sans Body size
19px → 16px colors 65 changed
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text #363737 → #1c1d1f ~
text-strong #1a1a1a → #000000 ~
text-soft #666c70 → #8b8d92 ~
text-muted #878787 → #6a6f73 ~
text-link #363737 → #5624d0 ~
brand #ff6719 → #a435f0 ~
brand-hover #e85412 → #8710d8 ~
brand-deep #cc4a0e → #5624d0 ~
border rgba(0, 0, 0, 0.10) → #d1d7dc ~
border-strong rgba(0, 0, 0, 0.20) → #9b9fa3 ~
border-soft rgba(0, 0, 0, 0.06) → #e9ebee ~
success #0d8050 → #1c8c2e ~
warning #d97706 → #f4951f ~
danger #dc2626 → #cc0c39 ~
info #2563eb → #5624d0 +
bg-warm #f7f9fa +
bg-muted #f3f4f6 +
bg-deep #1c1d1f +
bg-promo #f3eaff +
bg-sale #fef2cd +
surface-elevated #ffffff +
surface-hover #f7f9fa +
surface-soft #faf9fc +
surface-strong #e7e9eb +
surface-dark #2d2f31 +
text-disabled #a8aaae +
text-on-brand #ffffff +
text-on-dark #ffffff +
text-link-hover #401b9c +
brand-active #6d28d9 +
brand-soft #f3eaff +
accent-yellow #f69c08 +
accent-yellow-bg #eceb98 +
accent-orange #f3ca8c +
accent-red #cc0c39 +
accent-green #1c8c2e +
accent-blue #3268bd +
border-focus #5624d0 +
rating-star #f69c08 +
rating-star-empty #d1d7dc +
badge-bestseller #eceb98 +
badge-bestseller-text #3d3c0a +
badge-hot #f3ca8c +
badge-hot-text #3d2305 +
price-current #1c1d1f +
price-original #6a6f73 +
shadow-card rgba(0,0,0,0.10) +
shadow-modal rgba(0,0,0,0.24) +
shadow-popover rgba(0,0,0,0.16) +
success-soft #e6f2e8 +
warning-soft #fff5db +
danger-soft #fbeaea +
info-soft #f3eaff −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
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":"Udemy Sans","size":56} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Udemy Sans","size":40} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Udemy Sans","size":32} ~
body {"family":"Spectral","size":19} → {"family":"Udemy Sans","size":16} ~
label {"family":"Monaco","size":13} → {"family":"Roboto Mono","size":11} radius 1 changed
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card 12px → 8px spacing identical
No differences.