Substack vs HEY
60 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#363737 → #231c33 Brand
#ff6719 → #5522fa Border
rgba(0, 0, 0, 0.10) → #231c3314 Display font
Cahuenga → Really Sans Large Body size
19px → 18px colors 49 changed
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text #363737 → #231c33 ~
brand #ff6719 → #5522fa ~
border rgba(0, 0, 0, 0.10) → #231c3314 +
paper #f9f7f5 +
stone #edeae6 +
stone-light #f7f4f0 +
grey #736c83 +
cobalt #0074e4 +
yellow #f5d652 +
canary #fff5ca +
orange #f87917 +
coral #f95c5c +
coral-dark #ec4343 +
salmon #ec8580 +
peach #ffe5da +
mint #b3f4e0 +
teal #5fddc5 +
sky #b6dbff +
lavender #d5d2ff +
pink #cf6fb6 +
purple #7700a2 +
green #299850 +
shadow-card rgba(35,28,51,0.2) +
shadow-deep rgba(35,28,51,0.6) −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
bg-soft #f6f6f3 −
surface #ffffff −
surface-warm #fafaf7 −
text-strong #1a1a1a −
text-soft #666c70 −
text-faint #a8a8a8 −
text-muted #878787 −
text-link #363737 −
brand-hover #e85412 −
brand-deep #cc4a0e −
brand-tint rgba(255, 103, 25, 0.10) −
brand-tint-strong rgba(255, 103, 25, 0.18) −
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) −
success #0d8050 −
warning #d97706 −
danger #dc2626 −
info #2563eb −
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":"Really Sans Large","size":74} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Really Sans Large","size":44} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Really Sans Large","size":34} ~
body {"family":"Spectral","size":19} → {"family":"Moniker","size":18} ~
label {"family":"Monaco","size":13} → {"family":"SFMono-Regular","size":14} radius 2 changed
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button 6px → 12px ~
card 12px → 18px spacing 4 changed
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xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px ~
xl 48px → 64px