Turbo vs Substack
65 token-level differences between these two design systems.
Background
#000000 → #ffffff Text
#ffffff → #363737 Brand
#ff1e56 → #ff6719 Border
rgba(255, 255, 255, 0.08) → rgba(0, 0, 0, 0.10) Display font
Geist → Cahuenga Body size
16px → 19px colors 54 changed
~
bg #000000 → #ffffff ~
bg-soft #0a0a0a → #f6f6f3 ~
surface #111111 → #ffffff ~
text #ffffff → #363737 ~
text-strong #ffffff → #1a1a1a ~
text-muted #a1a1a1 → #878787 ~
text-soft #666666 → #666c70 ~
text-faint #444444 → #a8a8a8 ~
brand #ff1e56 → #ff6719 ~
border rgba(255, 255, 255, 0.08) → rgba(0, 0, 0, 0.10) ~
border-strong rgba(255, 255, 255, 0.15) → rgba(0, 0, 0, 0.20) ~
success #0cce6b → #0d8050 ~
warning #f5a623 → #d97706 ~
danger #ff4d4f → #dc2626 ~
info #0096ff → #2563eb +
bg-elev #fafaf7 +
bg-cream #fbf9f4 +
surface-warm #fafaf7 +
text-link #363737 +
brand-hover #e85412 +
brand-deep #cc4a0e +
brand-tint rgba(255, 103, 25, 0.10) +
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) +
shadow-soft rgba(0, 0, 0, 0.06) +
shadow-medium rgba(0, 0, 0, 0.10) +
reading-rule rgba(0, 0, 0, 0.08) −
surface-strong #1a1a1a −
surface-elevated #202020 −
bg-overlay rgba(0, 0, 0, 0.72) −
text-on-brand #ffffff −
brand-strong #e6164a −
brand-soft rgba(255, 30, 86, 0.12) −
accent #0096ff −
accent-strong #0078cc −
accent-soft rgba(0, 150, 255, 0.12) −
gradient-from #ff1e56 −
gradient-via #9b56b3 −
gradient-to #0096ff −
glow-magenta rgba(255, 30, 86, 0.4) −
glow-blue rgba(0, 150, 255, 0.35) −
glow-soft rgba(255, 30, 86, 0.2) −
border-subtle rgba(255, 255, 255, 0.05) −
border-brand rgba(255, 30, 86, 0.4) −
border-focus #ff1e56 −
success-bg rgba(12, 206, 107, 0.1) −
warning-bg rgba(245, 166, 35, 0.1) −
danger-bg rgba(255, 77, 79, 0.1) −
info-bg rgba(0, 150, 255, 0.1) −
on-accent #ffffff −
on-surface #ffffff −
on-bg #ffffff typography 5 changed
~
display {"family":"Geist","size":96} → {"family":"Cahuenga","size":56} ~
h1 {"family":"Geist","size":64} → {"family":"Cahuenga","size":40} ~
h2 {"family":"Geist","size":48} → {"family":"Cahuenga","size":32} ~
body {"family":"Geist","size":16} → {"family":"Spectral","size":19} ~
label {"family":"Geist Mono","size":12} → {"family":"Monaco","size":13} radius 1 changed
~
button 8px → 6px spacing 5 changed
~
xs 0px → 4px ~
sm 2px → 8px ~
md 8px → 16px ~
lg 20px → 32px ~
xl 32px → 48px