Plain vs Substack
60 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#000000 → #363737 Brand
#1ad379 → #ff6719 Border
rgba(0, 0, 0, 0.08) → rgba(0, 0, 0, 0.10) Display font
ABC Favorit → Cahuenga Body size
16px → 19px colors 49 changed
~
text #000000 → #363737 ~
text-strong #000000 → #1a1a1a ~
text-soft #5b5b5b → #666c70 ~
text-faint #8a8a8a → #a8a8a8 ~
text-muted #b8b8b8 → #878787 ~
brand #1ad379 → #ff6719 ~
brand-hover #0fb866 → #e85412 ~
brand-deep #0a8f4f → #cc4a0e ~
brand-tint #b8f0d2 → rgba(255, 103, 25, 0.10) ~
on-brand #000000 → #ffffff ~
border rgba(0, 0, 0, 0.08) → rgba(0, 0, 0, 0.10) ~
border-strong rgba(0, 0, 0, 0.16) → rgba(0, 0, 0, 0.20) +
bg-elev #fafaf7 +
bg-cream #fbf9f4 +
bg-soft #f6f6f3 +
surface-warm #fafaf7 +
text-link #363737 +
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) −
bg-secondary #f5f5f5 −
bg-tertiary #fafafa −
surface-elev #fafafa −
text-medium #1a1a1a −
brand-soft #e8faf0 −
cta-bg #1ad379 −
cta-text #000000 −
link #000000 −
link-hover #1ad379 −
selected-bg #f5f5f5 −
disabled #b8b8b8 −
border-subtle rgba(0, 0, 0, 0.04) −
border-brand rgba(26, 211, 121, 0.30) −
success-bg #e8faf0 −
success-text #0a8f4f −
warning-bg #fff4e0 −
warning-text #7a4a00 −
danger-bg #fde6e6 −
danger-text #a82020 −
info-bg #eef2f7 −
info-text #1a1a1a typography 5 changed
~
display {"family":"ABC Favorit","size":96} → {"family":"Cahuenga","size":56} ~
h1 {"family":"ABC Favorit","size":64} → {"family":"Cahuenga","size":40} ~
h2 {"family":"ABC Favorit","size":48} → {"family":"Cahuenga","size":32} ~
body {"family":"ABC Favorit","size":16} → {"family":"Spectral","size":19} ~
label {"family":"ABC Favorit Mono","size":11} → {"family":"Monaco","size":13} radius 1 changed
~
card 8px → 12px spacing 5 changed
~
xs 1px → 4px ~
sm 2px → 8px ~
md 6px → 16px ~
lg 16px → 32px ~
xl 32px → 48px