Readwise vs Substack
60 token-level differences between these two design systems.
Background
#fdf7ef → #ffffff Text
#2c2418 → #363737 Brand
#ff7a45 → #ff6719 Border
#e5d9c4 → rgba(0, 0, 0, 0.10) Display font
Tiempos Headline → Cahuenga Body size
17px → 19px colors 53 changed
~
bg #fdf7ef → #ffffff ~
surface #f5ecdf → #ffffff ~
surface-warm #f5ecdf → #fafaf7 ~
text #2c2418 → #363737 ~
text-strong #1a1308 → #1a1a1a ~
text-muted #6b5e4a → #878787 ~
text-soft #9b8d75 → #666c70 ~
text-faint #b6a888 → #a8a8a8 ~
brand #ff7a45 → #ff6719 ~
brand-hover #e8602a → #e85412 ~
brand-deep #a83a14 → #cc4a0e ~
border #e5d9c4 → rgba(0, 0, 0, 0.10) ~
border-soft #f0e7d5 → rgba(0, 0, 0, 0.06) ~
border-strong #d4c4a8 → rgba(0, 0, 0, 0.20) ~
success #3d6b4a → #0d8050 ~
warning #c97a1f → #d97706 ~
danger #b94326 → #dc2626 ~
info #4d6580 → #2563eb +
bg-elev #fafaf7 +
bg-cream #fbf9f4 +
bg-soft #f6f6f3 +
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) −
bg-alt #ffffff −
bg-deep #f9f0e0 −
surface-soft #fbf3e7 −
surface-deep #e8d9c2 −
surface-paper #ffffff −
text-on-brand #ffffff −
text-on-dark #fdf7ef −
brand-active #cc4a1a −
brand-soft #ffe4d4 −
brand-paler #fff0e6 −
accent #3d6b4a −
accent-soft #dfeae0 −
accent-deep #27432f −
highlight-bg #fff4d6 −
highlight-text #2c2418 −
underline #ff7a45 −
link #ff7a45 −
link-hover #cc4a1a −
link-visited #7d3c84 −
scrim rgba(44,36,24,0.45) −
shadow-warm rgba(60,40,15,0.05) −
shadow-card rgba(60,40,15,0.10) −
shadow-elev rgba(60,40,15,0.18) −
warning-soft #fdf0d8 typography 5 changed
~
display {"family":"Tiempos Headline","size":68} → {"family":"Cahuenga","size":56} ~
h1 {"family":"Tiempos Headline","size":60} → {"family":"Cahuenga","size":40} ~
h2 {"family":"Tiempos Headline","size":40} → {"family":"Cahuenga","size":32} ~
body {"family":"Inter","size":17} → {"family":"Spectral","size":19} ~
label {"family":"JetBrains Mono","size":12} → {"family":"Monaco","size":13} radius 2 changed
~
button 10px → 6px ~
card 16px → 12px spacing identical
No differences.