Substack vs Sierra
57 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#363737 → #302e2d Brand
#ff6719 → #006838 Border
rgba(0, 0, 0, 0.10) → #e4e0dc Display font
Cahuenga → GT America Body size
19px → 16px colors 47 changed
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bg-cream #fbf9f4 → #f6f5f3 ~
surface #ffffff → #f6f5f3 ~
text #363737 → #302e2d ~
text-soft #666c70 → #55524f ~
text-faint #a8a8a8 → #7c7873 ~
text-muted #878787 → #a39f99 ~
brand #ff6719 → #006838 ~
brand-deep #cc4a0e → #05351d ~
border rgba(0, 0, 0, 0.10) → #e4e0dc ~
border-strong rgba(0, 0, 0, 0.20) → #d4cfc9 +
hero-bg #05351d +
text-heading #222222 +
on-hero #ffffff +
brand-bright #0a7d46 +
link #006838 +
link-hover #05351d +
glass-cta rgba(255, 255, 255, 0.10) +
selected-bg #eef0ec +
disabled #a39f99 +
border-subtle #efece8 +
border-hero rgba(255, 255, 255, 0.16) +
success-bg #e3efe7 +
success-text #05351d +
warning-bg #f6ecd9 +
warning-text #6b531c +
danger-bg #f6e4e1 +
danger-text #8a3a2e +
info-bg #e6edf2 +
info-text #2c4a5e −
bg-elev #fafaf7 −
bg-soft #f6f6f3 −
surface-warm #fafaf7 −
text-strong #1a1a1a −
text-link #363737 −
brand-hover #e85412 −
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":"GT America","size":80} ~
h1 {"family":"Cahuenga","size":40} → {"family":"GT America","size":48} ~
h2 {"family":"Cahuenga","size":32} → {"family":"GT America","size":32} ~
body {"family":"Spectral","size":19} → {"family":"GT America","size":16} ~
label {"family":"Monaco","size":13} → {"family":"SFMono-Regular","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