Substack vs Perplexity
61 token-level differences between these two design systems.
Background
#ffffff → #fbf9f5 Text
#363737 → #272520 Brand
#ff6719 → #20808d Border
rgba(0, 0, 0, 0.10) → rgba(39, 26, 0, 0.12) Display font
Cahuenga → pplxSans Body size
19px → 16px colors 50 changed
~
bg #ffffff → #fbf9f5 ~
bg-soft #f6f6f3 → #f5f1ea ~
surface-warm #fafaf7 → rgba(39, 26, 0, 0.07) ~
text #363737 → #272520 ~
text-strong #1a1a1a → #1a1813 ~
text-soft #666c70 → #7a7367 ~
text-faint #a8a8a8 → #9a9388 ~
text-muted #878787 → #5d574c ~
brand #ff6719 → #20808d ~
brand-deep #cc4a0e → #0f4f5a ~
border rgba(0, 0, 0, 0.10) → rgba(39, 26, 0, 0.12) ~
border-strong rgba(0, 0, 0, 0.20) → rgba(39, 26, 0, 0.20) ~
border-soft rgba(0, 0, 0, 0.06) → rgba(39, 26, 0, 0.07) +
bg-deep #efeae0 +
text-medium #3f3a31 +
brand-strong #176874 +
brand-soft #d6ecef +
brand-wash rgba(32, 128, 141, 0.08) +
cta-bg #272520 +
cta-text #fdfbfa +
cta-hover-bg #3a342b +
cta-active-bg #1a1813 +
link #20808d +
link-hover #176874 +
selected-bg rgba(32, 128, 141, 0.10) +
disabled #b8b1a4 +
border-brand rgba(32, 128, 141, 0.30) +
success-bg #dceee0 +
success-text #2f5d3f +
warning-bg #f5e8c5 +
warning-text #7a5e1f +
danger-bg #f4dada +
danger-text #8a3a3a +
info-bg #d6ecef +
info-text #0f4f5a −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
text-link #363737 −
brand-hover #e85412 −
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) −
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":"pplxSans","size":72} ~
h1 {"family":"Cahuenga","size":40} → {"family":"pplxSans","size":48} ~
h2 {"family":"Cahuenga","size":32} → {"family":"pplxSans","size":36} ~
body {"family":"Spectral","size":19} → {"family":"pplxSans","size":16} ~
label {"family":"Monaco","size":13} → {"family":"pplxMono","size":12} radius 1 changed
~
button 6px → 8px spacing 5 changed
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xs 4px → 1px ~
sm 8px → 2px ~
md 16px → 6px ~
lg 32px → 12px ~
xl 48px → 20px