Substack vs Phantom
53 token-level differences between these two design systems.
Background
#ffffff → #0c0c0e Text
#363737 → #ffffff Brand
#ff6719 → #ab9ff2 Border
rgba(0, 0, 0, 0.10) → rgba(255, 255, 255, 0.08) Display font
Cahuenga → Phantom Sans Body size
19px → 15px colors 42 changed
~
bg #ffffff → #0c0c0e ~
bg-elev #fafaf7 → #1f1f25 ~
surface #ffffff → #15151a ~
text #363737 → #ffffff ~
text-strong #1a1a1a → #ffffff ~
text-soft #666c70 → #7a7a8c ~
text-faint #a8a8a8 → #5a5a6c ~
text-muted #878787 → #a8a8b8 ~
brand #ff6719 → #ab9ff2 ~
brand-hover #e85412 → #bdb3f6 ~
brand-deep #cc4a0e → #534bb1 ~
brand-tint rgba(255, 103, 25, 0.10) → rgba(171, 159, 242, 0.15) ~
on-brand #ffffff → #0c0c0e ~
border rgba(0, 0, 0, 0.10) → rgba(255, 255, 255, 0.08) ~
border-strong rgba(0, 0, 0, 0.20) → rgba(255, 255, 255, 0.16) ~
success #0d8050 → #5dd4a8 ~
warning #d97706 → #f5c842 ~
danger #dc2626 → #ff6b6b ~
info #2563eb → #ab9ff2 +
bg-deep #06060a +
bg-section #15151a +
surface-strong #22222a +
surface-translucent rgba(12, 12, 14, 0.85) +
brand-pressed #9b8ee8 +
brand-deeper #3d3686 +
text-on-brand #0c0c0e +
link #ab9ff2 +
link-hover #ffffff +
selected-bg rgba(171, 159, 242, 0.15) +
border-brand #ab9ff2 +
ghost-glow #ab9ff2 −
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) −
shadow-soft rgba(0, 0, 0, 0.06) −
shadow-medium rgba(0, 0, 0, 0.10) −
reading-rule rgba(0, 0, 0, 0.08) typography 5 changed
~
display {"family":"Cahuenga","size":56} → {"family":"Phantom Sans","size":88} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Phantom Sans","size":40} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Phantom Sans","size":32} ~
body {"family":"Spectral","size":19} → {"family":"Phantom Sans","size":15} ~
label {"family":"Monaco","size":13} → {"family":"JetBrains Mono","size":12} radius 1 changed
~
button 6px → 8px spacing 5 changed
~
xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px ~
lg 32px → 24px ~
xl 48px → 40px