Substack vs Things
52 token-level differences between these two design systems.
Background
#ffffff → #f2f5f7 Text
#363737 → #303336 Brand
#ff6719 → #5c9cf5 Border
rgba(0, 0, 0, 0.10) → #26344a1a Display font
Cahuenga → Inter Body size
19px → 17px colors 44 changed
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bg #ffffff → #f2f5f7 ~
bg-soft #f6f6f3 → #ffffff ~
surface #ffffff → #e8ecef ~
text #363737 → #303336 ~
text-strong #1a1a1a → #0a1320 ~
text-soft #666c70 → #000f24a3 ~
text-faint #a8a8a8 → #26344a40 ~
text-muted #878787 → #26344a80 ~
brand #ff6719 → #5c9cf5 ~
brand-hover #e85412 → #4385e0 ~
brand-deep #cc4a0e → #2c6dbf ~
border rgba(0, 0, 0, 0.10) → #26344a1a ~
border-strong rgba(0, 0, 0, 0.20) → #26344a2e ~
border-soft rgba(0, 0, 0, 0.06) → #26344a10 ~
success #0d8050 → #34a853 ~
warning #d97706 → #f59e0b ~
danger #dc2626 → #dc3545 ~
info #2563eb → #5c9cf5 +
surface-elev #dde2e6 +
surface-card #ffffff +
text-body #3f454d +
brand-soft #dceaff +
brand-softer #eaf2ff +
cta-bg #1a1a1f +
cta-text #ffffff +
shadow-icon rgba(20,30,50,0.08) +
shadow-card rgba(20,30,50,0.04) +
shadow-elev rgba(20,30,50,0.10) +
scrim rgba(10,19,32,0.50) +
success-soft #e6f4ea +
warning-soft #fff8e1 +
danger-soft #fde7ea +
info-soft #dceaff −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
surface-warm #fafaf7 −
text-link #363737 −
brand-tint rgba(255, 103, 25, 0.10) −
brand-tint-strong rgba(255, 103, 25, 0.18) −
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
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display {"family":"Cahuenga","size":56} → {"family":"Inter","size":56} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Inter","size":40} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Inter","size":32} ~
body {"family":"Spectral","size":19} → {"family":"Inter","size":17} ~
label {"family":"Monaco","size":13} → {"family":"SFMono-Regular","size":12} radius 1 changed
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button 6px → 8px spacing 2 changed
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lg 32px → 48px ~
xl 48px → 96px