HEY vs Substack
60 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#231c33 → #363737 Brand
#5522fa → #ff6719 Border
#231c3314 → rgba(0, 0, 0, 0.10) Display font
Really Sans Large → Cahuenga Body size
18px → 19px colors 49 changed
~
text #231c33 → #363737 ~
brand #5522fa → #ff6719 ~
border #231c3314 → rgba(0, 0, 0, 0.10) +
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) −
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) typography 5 changed
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display {"family":"Really Sans Large","size":74} → {"family":"Cahuenga","size":56} ~
h1 {"family":"Really Sans Large","size":44} → {"family":"Cahuenga","size":40} ~
h2 {"family":"Really Sans Large","size":34} → {"family":"Cahuenga","size":32} ~
body {"family":"Moniker","size":18} → {"family":"Spectral","size":19} ~
label {"family":"SFMono-Regular","size":14} → {"family":"Monaco","size":13} radius 2 changed
~
button 12px → 6px ~
card 18px → 12px spacing 4 changed
~
xs 0px → 4px ~
sm 4px → 8px ~
md 12px → 16px ~
xl 64px → 48px