Substack vs Segment
56 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#363737 → #000d25 Brand
#ff6719 → #1866ee Border
rgba(0, 0, 0, 0.10) → #e1e3ea Display font
Cahuenga → Whitney SSm A Body size
19px → 16px colors 50 changed
~
bg-soft #f6f6f3 → #f4f4f4 ~
text #363737 → #000d25 ~
text-strong #1a1a1a → #000817 ~
text-soft #666c70 → #7a7d8b ~
text-muted #878787 → #525463 ~
brand #ff6719 → #1866ee ~
brand-hover #e85412 → #0e58d9 ~
brand-deep #cc4a0e → #0263e0 ~
border rgba(0, 0, 0, 0.10) → #e1e3ea ~
border-strong rgba(0, 0, 0, 0.20) → #cdd0da ~
border-soft rgba(0, 0, 0, 0.06) → #f0f1f5 ~
success #0d8050 → #0a8754 ~
warning #d97706 → #a35316 ~
danger #dc2626 → #c0322a ~
info #2563eb → #1866ee +
bg-dark #000d25 +
bg-cool #f6f9fb +
surface-dark #000d25 +
surface-elev #0a1838 +
brand-active #0844a8 +
brand-pale #cfdcfb +
brand-soft #e3eefe +
text-on-brand #ffffff +
text-on-dark #ffffff +
text-on-dark-muted rgba(255,255,255,0.72) +
link #0263e0 +
link-hover #0844a8 +
link-on-dark #62aef8 +
border-on-dark rgba(255,255,255,0.14) +
badge-bg #e3eefe +
badge-text #0844a8 +
scrim rgba(0,13,37,0.62) +
shadow-card rgba(0,13,37,0.06) +
shadow-elev rgba(0,13,37,0.12) +
success-soft #dff5ea +
warning-soft #fff3dc +
danger-soft #fde6e3 −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
surface-warm #fafaf7 −
text-faint #a8a8a8 −
text-link #363737 −
brand-tint rgba(255, 103, 25, 0.10) −
brand-tint-strong rgba(255, 103, 25, 0.18) −
on-brand #ffffff −
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
~
display {"family":"Cahuenga","size":56} → {"family":"Whitney SSm A","size":72} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Whitney SSm A","size":40} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Whitney SSm A","size":32} ~
body {"family":"Spectral","size":19} → {"family":"Whitney SSm A","size":16} ~
label {"family":"Monaco","size":13} → {"family":"Operator Mono","size":11} radius 1 changed
~
card 12px → 8px spacing identical
No differences.