Meta vs Substack
53 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#1c2b33 → #363737 Brand
#0467df → #ff6719 Border
#dddfe2 → rgba(0, 0, 0, 0.10) Display font
Optimistic Display → Cahuenga Body size
16px → 19px colors 47 changed
~
bg-soft #f5f5f5 → #f6f6f3 ~
text #1c2b33 → #363737 ~
text-strong #0a1014 → #1a1a1a ~
text-muted #65676b → #878787 ~
text-soft #8a8d91 → #666c70 ~
brand #0467df → #ff6719 ~
brand-hover #0356b8 → #e85412 ~
border #dddfe2 → rgba(0, 0, 0, 0.10) ~
border-soft #e4e6eb → rgba(0, 0, 0, 0.06) ~
border-strong #1c2b33 → rgba(0, 0, 0, 0.20) ~
success #42b72a → #0d8050 ~
warning #f7b928 → #d97706 ~
danger #fa3e3e → #dc2626 ~
info #0467df → #2563eb +
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) −
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 typography 5 changed
~
display {"family":"Optimistic Display","size":96} → {"family":"Cahuenga","size":56} ~
h1 {"family":"Optimistic Display","size":40} → {"family":"Cahuenga","size":40} ~
h2 {"family":"Optimistic Display","size":32} → {"family":"Cahuenga","size":32} ~
body {"family":"Meta Sans","size":16} → {"family":"Spectral","size":19} ~
label {"family":"Optimistic Mono","size":11} → {"family":"Monaco","size":13} radius 1 changed
~
button 8px → 6px spacing identical
No differences.