Vercel vs Substack
65 token-level differences between these two design systems.
Background
#fafafa → #ffffff Text
#171717 → #363737 Brand
#0070f3 → #ff6719 Border
hsla(0, 0%, 90%, 1) → rgba(0, 0, 0, 0.10) Display font
Geist → Cahuenga Body size
16px → 19px colors 59 changed
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bg #fafafa → #ffffff ~
bg-elev #f5f5f5 → #fafaf7 ~
text #171717 → #363737 ~
text-faint #a3a3a3 → #a8a8a8 ~
brand #0070f3 → #ff6719 ~
brand-hover #0061d5 → #e85412 ~
brand-deep #0050b3 → #cc4a0e ~
brand-tint rgba(0, 112, 243, 0.06) → rgba(255, 103, 25, 0.10) ~
border hsla(0, 0%, 90%, 1) → rgba(0, 0, 0, 0.10) ~
border-soft hsla(0, 0%, 95%, 1) → rgba(0, 0, 0, 0.06) ~
border-strong hsla(0, 0%, 80%, 1) → rgba(0, 0, 0, 0.20) ~
success #0070f3 → #0d8050 ~
warning #f5a623 → #d97706 ~
danger #e00 → #dc2626 ~
info #0070f3 → #2563eb +
bg-cream #fbf9f4 +
bg-soft #f6f6f3 +
surface-warm #fafaf7 +
text-strong #1a1a1a +
text-soft #666c70 +
text-muted #878787 +
text-link #363737 +
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) −
bg-pure #ffffff −
bg-deeper #ededed −
bg-ink #0a0a0a −
bg-pure-black #000000 −
surface-elev #fafafa −
text-pure #000000 −
text-secondary #525252 −
text-tertiary #737373 −
text-on-dark #ededed −
text-on-dark-soft #a3a3a3 −
brand-soft rgba(0, 112, 243, 0.10) −
link #0070f3 −
link-hover #0070f3 −
focus hsla(212, 100%, 48%, 1) −
cta-bg #171717 −
cta-text #ffffff −
cta-bg-secondary #ffffff −
cta-text-secondary #171717 −
border-deep hsla(0, 0%, 70%, 1) −
shadow-ambient rgba(0, 0, 0, 0.04) −
shadow-card rgba(0, 0, 0, 0.04) −
shadow-elev rgba(0, 0, 0, 0.06) −
shadow-deep rgba(0, 0, 0, 0.10) −
scrim rgba(0, 0, 0, 0.40) −
gradient-conic conic-gradient(from 230deg at 50% 50%, #0070f3, #00b8ff, #7928ca, #ff0080, #0070f3) −
gradient-blue linear-gradient(135deg, #0070f3 0%, #00b8ff 100%) −
gradient-edge linear-gradient(180deg, transparent 0%, rgba(0, 112, 243, 0.20) 100%) −
success-soft rgba(0, 112, 243, 0.10) −
warning-soft rgba(245, 166, 35, 0.10) −
danger-soft rgba(238, 0, 0, 0.10) −
info-soft rgba(0, 112, 243, 0.10) typography 5 changed
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display {"family":"Geist","size":72} → {"family":"Cahuenga","size":56} ~
h1 {"family":"Geist","size":40} → {"family":"Cahuenga","size":40} ~
h2 {"family":"Geist","size":32} → {"family":"Cahuenga","size":32} ~
body {"family":"Geist","size":16} → {"family":"Spectral","size":19} ~
label {"family":"Geist Mono","size":11} → {"family":"Monaco","size":13} radius 1 changed
~
card 8px → 12px spacing identical
No differences.