Mercury vs Substack
63 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#101011 → #363737 Brand
#5f6ad2 → #ff6719 Border
#0000000f → rgba(0, 0, 0, 0.10) Display font
Tiempos Headline → Cahuenga Body size
16px → 19px colors 52 changed
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bg-soft #fafafa → #f6f6f3 ~
surface #f4f4f2 → #ffffff ~
surface-warm #f0f0ed → #fafaf7 ~
text #101011 → #363737 ~
text-strong #000000 → #1a1a1a ~
text-muted #5b5d5c → #878787 ~
text-soft #8a8c8b → #666c70 ~
text-faint #b5b6b5 → #a8a8a8 ~
brand #5f6ad2 → #ff6719 ~
brand-hover #4a55b8 → #e85412 ~
brand-deep #3a4598 → #cc4a0e ~
brand-tint #f3f4ff → rgba(255, 103, 25, 0.10) ~
border #0000000f → rgba(0, 0, 0, 0.10) ~
border-soft #0000000a → rgba(0, 0, 0, 0.06) ~
border-strong #0000001f → rgba(0, 0, 0, 0.20) ~
success #5e9678 → #0d8050 ~
warning #c08a3a → #d97706 ~
danger #c4564f → #dc2626 ~
shadow-soft rgba(0,0,0,0.03) → rgba(0, 0, 0, 0.06) +
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) −
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) typography 5 changed
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display {"family":"Tiempos Headline","size":96} → {"family":"Cahuenga","size":56} ~
h1 {"family":"Tiempos Headline","size":72} → {"family":"Cahuenga","size":40} ~
h2 {"family":"Tiempos Headline","size":48} → {"family":"Cahuenga","size":32} ~
body {"family":"GT America","size":16} → {"family":"Spectral","size":19} ~
label {"family":"GT America Mono","size":12} → {"family":"Monaco","size":13} radius 1 changed
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card 10px → 12px spacing 5 changed
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xs 2px → 4px ~
sm 4px → 8px ~
md 12px → 16px ~
lg 24px → 32px ~
xl 40px → 48px