Substack vs Cartesia
61 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#363737 → #0a0a0a Brand
#ff6719 → #2563eb Border
rgba(0, 0, 0, 0.10) → #e5e5e5 Display font
Cahuenga → Inter Body size
19px → 15px colors 51 changed
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bg-soft #f6f6f3 → #fafafa ~
surface #ffffff → #f5f5f5 ~
text #363737 → #0a0a0a ~
text-strong #1a1a1a → #000000 ~
text-soft #666c70 → #737373 ~
text-faint #a8a8a8 → #a3a3a3 ~
text-muted #878787 → #525252 ~
brand #ff6719 → #2563eb ~
brand-hover #e85412 → #1d4fd7 ~
brand-deep #cc4a0e → #1e40af ~
border rgba(0, 0, 0, 0.10) → #e5e5e5 ~
border-strong rgba(0, 0, 0, 0.20) → #d4d4d4 ~
border-soft rgba(0, 0, 0, 0.06) → #f0f0f0 +
surface-strong #e5e5e5 +
surface-hover #f0f0f0 +
text-medium #262626 +
on-cta #ffffff +
brand-soft #dbeafe +
brand-faint #eff6ff +
accent #0a0a0a +
link #2563eb +
link-hover #1d4fd7 +
selected-bg #eff6ff +
disabled-bg #f5f5f5 +
disabled-text #a3a3a3 +
border-focus #2563eb +
success-bg #dcfce7 +
success-text #15803d +
warning-bg #fef3c7 +
warning-text #a16207 +
danger-bg #fee2e2 +
danger-text #b91c1c +
info-bg #dbeafe +
info-text #1e40af +
shadow-rgb 0, 0, 0 +
shadow-blue 37, 99, 235 −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
surface-warm #fafaf7 −
text-link #363737 −
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) −
success #0d8050 −
warning #d97706 −
danger #dc2626 −
info #2563eb −
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":"Inter","size":96} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Inter","size":72} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Inter","size":48} ~
body {"family":"Spectral","size":19} → {"family":"Inter","size":15} ~
label {"family":"Monaco","size":13} → {"family":"IBM Plex Mono","size":13} radius identical
No differences.
spacing 5 changed
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xs 4px → 1px ~
sm 8px → 2px ~
md 16px → 6px ~
lg 32px → 12px ~
xl 48px → 20px