Substack vs On
64 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#363737 → #000000 Brand
#ff6719 → #000000 Border
rgba(0, 0, 0, 0.10) → rgba(0,0,0,0.08) Display font
Cahuenga → On Body size
19px → 16px colors 54 changed
~
surface-warm #fafaf7 → #fafafa ~
text #363737 → #000000 ~
text-strong #1a1a1a → #000000 ~
text-soft #666c70 → #767676 ~
text-muted #878787 → #525252 ~
brand #ff6719 → #000000 ~
brand-hover #e85412 → #1a1a1a ~
success #0d8050 → #1f8a4c ~
warning #d97706 → #a35316 ~
danger #dc2626 → #d11507 ~
info #2563eb → #1151ff +
bg-dark #000000 +
surface-soft #f5f5f5 +
ink #000000 +
ink-soft #0a0a0a +
charcoal #333333 +
mute #525252 +
mute-soft #767676 +
stone #9a9a9a +
hairline #d4d4d4 +
hairline-soft #e5e5e5 +
text-on-ink #ffffff +
brand-active #000000 +
pill-light #ffffff +
pill-light-text #000000 +
link #000000 +
link-hover #525252 +
visited #000000 +
selected #000000 +
disabled-bg #e5e5e5 +
disabled-text #9a9a9a +
accent-coral #e63312 +
accent-coral-deep #b3260d +
sale #e63312 +
success-bright #34c873 +
scrim rgba(0,0,0,0.55) +
ring #000000 +
ring-on-dark #ffffff −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
bg-soft #f6f6f3 −
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 rgba(0, 0, 0, 0.10) −
border-strong rgba(0, 0, 0, 0.20) −
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) typography 5 changed
~
display {"family":"Cahuenga","size":56} → {"family":"On","size":80} ~
h1 {"family":"Cahuenga","size":40} → {"family":"On","size":48} ~
h2 {"family":"Cahuenga","size":32} → {"family":"On","size":32} ~
body {"family":"Spectral","size":19} → {"family":"On","size":16} ~
label {"family":"Monaco","size":13} → {"family":"SFMono-Regular","size":13} radius 1 changed
~
button 6px → 8px spacing 4 changed
~
xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px ~
xl 48px → 64px