Substack vs Mercury
63 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#363737 → #101011 Brand
#ff6719 → #5f6ad2 Border
rgba(0, 0, 0, 0.10) → #0000000f Display font
Cahuenga → Tiempos Headline Body size
19px → 16px colors 52 changed
~
bg-soft #f6f6f3 → #fafafa ~
surface #ffffff → #f4f4f2 ~
surface-warm #fafaf7 → #f0f0ed ~
text #363737 → #101011 ~
text-strong #1a1a1a → #000000 ~
text-soft #666c70 → #8a8c8b ~
text-faint #a8a8a8 → #b5b6b5 ~
text-muted #878787 → #5b5d5c ~
brand #ff6719 → #5f6ad2 ~
brand-hover #e85412 → #4a55b8 ~
brand-deep #cc4a0e → #3a4598 ~
brand-tint rgba(255, 103, 25, 0.10) → #f3f4ff ~
border rgba(0, 0, 0, 0.10) → #0000000f ~
border-strong rgba(0, 0, 0, 0.20) → #0000001f ~
border-soft rgba(0, 0, 0, 0.06) → #0000000a ~
success #0d8050 → #5e9678 ~
warning #d97706 → #c08a3a ~
danger #dc2626 → #c4564f ~
shadow-soft rgba(0, 0, 0, 0.06) → rgba(0,0,0,0.03) +
bg-mint #d3e8e0 +
bg-mint-soft #eef6f1 +
bg-ink #101011 +
bg-ink-soft #1a1a1c +
surface-soft #f8f8f6 +
surface-on-ink #1a1a1c +
surface-on-ink-elev #26262a +
text-on-ink #fafafa +
text-on-ink-muted #9a9a9a +
text-on-mint #101011 +
brand-soft #e8eaff +
accent #d3e8e0 +
accent-strong #9bc5b3 +
accent-soft #eef6f1 +
accent-deep #76a692 +
border-on-ink #ffffff14 +
link #5f6ad2 +
link-hover #4a55b8 +
on-mint #101011 +
success-bg #e8f1ec +
warning-bg #f7eed8 +
danger-bg #f7e3e0 +
shadow-standard rgba(0,0,0,0.06) +
shadow-elevated rgba(0,0,0,0.10) −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
text-link #363737 −
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) −
info #2563eb −
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":"Tiempos Headline","size":96} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Tiempos Headline","size":72} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Tiempos Headline","size":48} ~
body {"family":"Spectral","size":19} → {"family":"GT America","size":16} ~
label {"family":"Monaco","size":13} → {"family":"GT America Mono","size":12} radius 1 changed
~
card 12px → 10px spacing 5 changed
~
xs 4px → 2px ~
sm 8px → 4px ~
md 16px → 12px ~
lg 32px → 24px ~
xl 48px → 40px