Calm vs Substack
61 token-level differences between these two design systems.
Background
#0a1f3a → #ffffff Text
#fafafa → #363737 Brand
#0066ff → #ff6719 Border
#243d65 → rgba(0, 0, 0, 0.10) Display font
Aktiv Grotesk → Cahuenga Body size
16px → 19px colors 54 changed
~
bg #0a1f3a → #ffffff ~
bg-elev #13294a → #fafaf7 ~
surface #13294a → #ffffff ~
brand #0066ff → #ff6719 ~
brand-hover #0052d6 → #e85412 ~
brand-deep #001f5c → #cc4a0e ~
text #fafafa → #363737 ~
text-strong #ffffff → #1a1a1a ~
text-muted #a8b3c5 → #878787 ~
text-soft #7d8a9e → #666c70 ~
text-faint #5a6678 → #a8a8a8 ~
border #243d65 → rgba(0, 0, 0, 0.10) ~
border-soft #1c3458 → rgba(0, 0, 0, 0.06) ~
border-strong #365182 → rgba(0, 0, 0, 0.20) ~
success #42d68a → #0d8050 ~
warning #ffba43 → #d97706 ~
danger #ff6b6b → #dc2626 ~
info #0066ff → #2563eb +
bg-cream #fbf9f4 +
bg-soft #f6f6f3 +
surface-warm #fafaf7 +
text-link #363737 +
brand-tint rgba(255, 103, 25, 0.10) +
brand-tint-strong rgba(255, 103, 25, 0.18) +
on-brand #ffffff +
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-strong #040c1a −
bg-elev-strong #1c3458 −
bg-twilight #1a2c52 −
bg-dawn #2a3d6e −
surface-soft #1c3458 −
surface-strong #243d65 −
surface-light #fafafa −
brand-active #003fa3 −
brand-pale #a8c8ff −
brand-soft #0d2456 −
brand-glow #3380ff −
text-on-brand #ffffff −
text-on-light #0a1f3a −
link #fafafa −
link-hover #0066ff −
border-input #4a648a −
star-white #ffffff −
star-blue #a8c8ff −
twilight-purple #7c5fb8 −
dusk-pink #e88fa8 −
scrim rgba(4,12,26,0.8) −
shadow-card rgba(0,0,0,0.5) −
shadow-elev rgba(0,0,0,0.7) −
shadow-blue-glow rgba(0,102,255,0.25) typography 5 changed
~
display {"family":"Aktiv Grotesk","size":72} → {"family":"Cahuenga","size":56} ~
h1 {"family":"Aktiv Grotesk","size":40} → {"family":"Cahuenga","size":40} ~
h2 {"family":"Aktiv Grotesk","size":32} → {"family":"Cahuenga","size":32} ~
body {"family":"Aktiv Grotesk","size":16} → {"family":"Spectral","size":19} ~
label {"family":"Aktiv Grotesk","size":11} → {"family":"Monaco","size":13} radius 2 changed
~
button 12px → 6px ~
card 16px → 12px spacing identical
No differences.