Substack vs Rive
56 token-level differences between these two design systems.
Background
#ffffff → #fdfcf8 Text
#363737 → #1d1d1b Brand
#ff6719 → #ff5b37 Border
rgba(0, 0, 0, 0.10) → rgba(29, 29, 27, 0.10) Display font
Cahuenga → Inter Display Body size
19px → 17px colors 49 changed
~
bg #ffffff → #fdfcf8 ~
bg-cream #fbf9f4 → #f9f7f0 ~
text #363737 → #1d1d1b ~
text-strong #1a1a1a → #000000 ~
text-soft #666c70 → #1d1d1b66 ~
text-muted #878787 → #1d1d1b99 ~
brand #ff6719 → #ff5b37 ~
brand-hover #e85412 → #e54a2a ~
border rgba(0, 0, 0, 0.10) → rgba(29, 29, 27, 0.10) ~
border-strong rgba(0, 0, 0, 0.20) → rgba(29, 29, 27, 0.20) ~
border-soft rgba(0, 0, 0, 0.06) → rgba(29, 29, 27, 0.06) ~
success #0d8050 → #4cc38a ~
warning #d97706 → #fcc24c ~
danger #dc2626 → #ff5b37 ~
info #2563eb → #3a7bff ~
shadow-soft rgba(0, 0, 0, 0.06) → rgba(29, 29, 27, 0.05) ~
shadow-medium rgba(0, 0, 0, 0.10) → rgba(29, 29, 27, 0.10) +
bg-strong #f5f3ec +
surface-soft #fdfcf8 +
surface-dark #1d1d1b +
text-on-dark #fdfcf8 +
text-on-dark-muted #fdfcf899 +
brand-active #cc3f23 +
brand-soft #ffe0d6 +
accent-yellow #fcc24c +
accent-yellow-soft #fff1cf +
accent-blue #3a7bff +
accent-blue-soft #dbe7ff +
accent-pink #ff6da6 +
accent-pink-soft #ffe0ec +
accent-green #4cc38a +
accent-green-soft #d6f1e2 +
cta-bg #1d1d1b +
cta-bg-hover #000000 +
cta-text #fdfcf8 +
border-dark rgba(253, 252, 248, 0.12) +
scrim rgba(29, 29, 27, 0.45) +
shadow-deep rgba(29, 29, 27, 0.18) −
bg-elev #fafaf7 −
bg-soft #f6f6f3 −
surface-warm #fafaf7 −
text-faint #a8a8a8 −
text-link #363737 −
brand-deep #cc4a0e −
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) −
reading-rule rgba(0, 0, 0, 0.08) typography 5 changed
~
display {"family":"Cahuenga","size":56} → {"family":"Inter Display","size":140} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Inter Display","size":72} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Inter Display","size":48} ~
body {"family":"Spectral","size":19} → {"family":"Inter","size":17} ~
label {"family":"Monaco","size":13} → {"family":"JetBrains Mono","size":14} radius 2 changed
~
button 6px → 12px ~
card 12px → 32px spacing identical
No differences.