Substack vs Harvey
56 token-level differences between these two design systems.
Background
#ffffff → #0f0e0d Text
#363737 → #ffffff Brand
#ff6719 → #fafaf9 Border
rgba(0, 0, 0, 0.10) → rgba(255, 255, 255, 0.12) Display font
Cahuenga → HarveySerifFont Body size
19px → 16px colors 46 changed
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bg #ffffff → #0f0e0d ~
surface #ffffff → #1a1918 ~
text #363737 → #ffffff ~
text-strong #1a1a1a → #fafaf9 ~
text-faint #a8a8a8 → rgba(255, 255, 255, 0.40) ~
text-muted #878787 → rgba(255, 255, 255, 0.56) ~
brand #ff6719 → #fafaf9 ~
on-brand #ffffff → #0f0e0d ~
border rgba(0, 0, 0, 0.10) → rgba(255, 255, 255, 0.12) ~
border-strong rgba(0, 0, 0, 0.20) → rgba(255, 255, 255, 0.24) +
surface-raised #242220 +
overlay-backdrop rgba(0, 0, 0, 0.6) +
text-secondary rgba(255, 255, 255, 0.72) +
link #fafaf9 +
link-hover #ffffff +
selected-bg rgba(250, 250, 249, 0.08) +
disabled rgba(255, 255, 255, 0.32) +
border-subtle rgba(255, 255, 255, 0.06) +
success-bg rgba(122, 158, 122, 0.14) +
success-text #a9c9a9 +
warning-bg rgba(201, 169, 110, 0.14) +
warning-text #d8be93 +
danger-bg rgba(196, 110, 110, 0.14) +
danger-text #e0a3a3 +
info-bg rgba(255, 255, 255, 0.08) +
info-text #fafaf9 −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
bg-soft #f6f6f3 −
surface-warm #fafaf7 −
text-soft #666c70 −
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-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":"HarveySerifFont","size":96} ~
h1 {"family":"Cahuenga","size":40} → {"family":"HarveySerifFont","size":72} ~
h2 {"family":"Cahuenga","size":32} → {"family":"HarveySerifFont","size":48} ~
body {"family":"Spectral","size":19} → {"family":"HarveySansFont","size":16} ~
label {"family":"Monaco","size":13} → {"family":"Söhne Mono","size":13} radius 1 changed
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button 6px → 8px spacing 4 changed
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xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px ~
xl 48px → 64px