X vs Substack
70 token-level differences between these two design systems.
Background
#000000 → #ffffff Text
#e7e9ea → #363737 Brand
#c6f432 → #ff6719 Border
#2f3336 → rgba(0, 0, 0, 0.10) Display font
TwitterChirp → Cahuenga Body size
15px → 19px colors 63 changed
~
bg #000000 → #ffffff ~
surface #16181c → #ffffff ~
text #e7e9ea → #363737 ~
text-strong #ffffff → #1a1a1a ~
text-muted #71767b → #878787 ~
text-soft #536471 → #666c70 ~
text-faint #3e4a55 → #a8a8a8 ~
border #2f3336 → rgba(0, 0, 0, 0.10) ~
border-strong #536471 → rgba(0, 0, 0, 0.20) ~
success #00ba7c → #0d8050 ~
warning #fab421 → #d97706 ~
danger #f4212e → #dc2626 ~
info #1d9bf0 → #2563eb +
bg-elev #fafaf7 +
bg-cream #fbf9f4 +
bg-soft #f6f6f3 +
surface-warm #fafaf7 +
text-link #363737 +
brand #ff6719 +
brand-hover #e85412 +
brand-deep #cc4a0e +
brand-tint rgba(255, 103, 25, 0.10) +
brand-tint-strong rgba(255, 103, 25, 0.18) +
border-soft rgba(0, 0, 0, 0.06) +
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-light #ffffff −
bg-dim #15202b −
surface-hover #1c1f23 −
surface-elevated #202327 −
surface-soft #0d0d0e −
text-body #e7e9ea −
text-on-brand #ffffff −
text-on-white #0f1419 −
brand-blue #1d9bf0 −
brand-blue-hover #1a8cd8 −
brand-blue-deep #1573b8 −
brand-blue-soft rgba(29,155,240,0.1) −
primary-action #ffffff −
primary-action-hover #d7dbdc −
secondary-action #000000 −
link #1d9bf0 −
link-hover #1a8cd8 −
border-subtle #16181c −
on-bg #e7e9ea −
shadow-color rgba(255,255,255,0.04) −
reply-icon #71767b −
reply-active #1d9bf0 −
retweet-icon #71767b −
retweet-active #00ba7c −
like-icon #71767b −
like-active #f91880 −
share-icon #71767b −
bookmark-icon #71767b −
bookmark-active #1d9bf0 −
verified-blue #1d9bf0 −
verified-gold #fab421 −
verified-grey #829aab −
premium-gold #fab421 −
views-meta #71767b typography 5 changed
~
display {"family":"TwitterChirp","size":60} → {"family":"Cahuenga","size":56} ~
h1 {"family":"TwitterChirp","size":40} → {"family":"Cahuenga","size":40} ~
h2 {"family":"TwitterChirp","size":32} → {"family":"Cahuenga","size":32} ~
body {"family":"TwitterChirp","size":15} → {"family":"Spectral","size":19} ~
label {"family":"TwitterChirpMono","size":12} → {"family":"Monaco","size":13} radius 2 changed
~
button 12px → 6px ~
card 16px → 12px spacing identical
No differences.