Perplexity vs Substack
61 token-level differences between these two design systems.
Background
#fbf9f5 → #ffffff Text
#272520 → #363737 Brand
#20808d → #ff6719 Border
rgba(39, 26, 0, 0.12) → rgba(0, 0, 0, 0.10) Display font
pplxSans → Cahuenga Body size
16px → 19px colors 50 changed
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bg #fbf9f5 → #ffffff ~
bg-soft #f5f1ea → #f6f6f3 ~
surface-warm rgba(39, 26, 0, 0.07) → #fafaf7 ~
text #272520 → #363737 ~
text-strong #1a1813 → #1a1a1a ~
text-muted #5d574c → #878787 ~
text-soft #7a7367 → #666c70 ~
text-faint #9a9388 → #a8a8a8 ~
brand #20808d → #ff6719 ~
brand-deep #0f4f5a → #cc4a0e ~
border rgba(39, 26, 0, 0.12) → rgba(0, 0, 0, 0.10) ~
border-strong rgba(39, 26, 0, 0.20) → rgba(0, 0, 0, 0.20) ~
border-soft rgba(39, 26, 0, 0.07) → rgba(0, 0, 0, 0.06) +
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) −
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 typography 5 changed
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display {"family":"pplxSans","size":72} → {"family":"Cahuenga","size":56} ~
h1 {"family":"pplxSans","size":48} → {"family":"Cahuenga","size":40} ~
h2 {"family":"pplxSans","size":36} → {"family":"Cahuenga","size":32} ~
body {"family":"pplxSans","size":16} → {"family":"Spectral","size":19} ~
label {"family":"pplxMono","size":12} → {"family":"Monaco","size":13} radius 1 changed
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button 8px → 6px spacing 5 changed
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xs 1px → 4px ~
sm 2px → 8px ~
md 6px → 16px ~
lg 12px → 32px ~
xl 20px → 48px