Substack vs Meta
53 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#363737 → #1c2b33 Brand
#ff6719 → #0467df Border
rgba(0, 0, 0, 0.10) → #dddfe2 Display font
Cahuenga → Optimistic Display Body size
19px → 16px colors 47 changed
~
bg-soft #f6f6f3 → #f5f5f5 ~
text #363737 → #1c2b33 ~
text-strong #1a1a1a → #0a1014 ~
text-soft #666c70 → #8a8d91 ~
text-muted #878787 → #65676b ~
brand #ff6719 → #0467df ~
brand-hover #e85412 → #0356b8 ~
border rgba(0, 0, 0, 0.10) → #dddfe2 ~
border-strong rgba(0, 0, 0, 0.20) → #1c2b33 ~
border-soft rgba(0, 0, 0, 0.06) → #e4e6eb ~
success #0d8050 → #42b72a ~
warning #d97706 → #f7b928 ~
danger #dc2626 → #fa3e3e ~
info #2563eb → #0467df +
bg-deep #1c2b33 +
surface-soft #f5f5f5 +
surface-strong #ebedf0 +
surface-tint #f0f4fa +
text-on-dark #ffffff +
text-on-dark-muted #b0b3b8 +
brand-active #024187 +
brand-soft #e7f3ff +
accent-instagram #e4405f +
accent-whatsapp #25d366 +
accent-quest #000000 +
accent-threads #000000 +
link #0467df +
link-hover #0356b8 +
scrim rgba(28,43,51,0.7) +
shadow-card rgba(0,0,0,0.08) +
success-soft #e9f7e2 +
warning-soft #fff8e1 +
danger-soft #ffeaea +
info-soft #e7f3ff −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
surface-warm #fafaf7 −
text-faint #a8a8a8 −
text-link #363737 −
brand-deep #cc4a0e −
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":"Optimistic Display","size":96} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Optimistic Display","size":40} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Optimistic Display","size":32} ~
body {"family":"Spectral","size":19} → {"family":"Meta Sans","size":16} ~
label {"family":"Monaco","size":13} → {"family":"Optimistic Mono","size":11} radius 1 changed
~
button 6px → 8px spacing identical
No differences.