Substack vs IBM
54 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#363737 → #161616 Brand
#ff6719 → #0f62fe Border
rgba(0, 0, 0, 0.10) → #e0e0e0 Display font
Cahuenga → IBM Plex Sans Body size
19px → 16px colors 46 changed
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text #363737 → #161616 ~
text-strong #1a1a1a → #161616 ~
text-soft #666c70 → #8c8c8c ~
text-muted #878787 → #525252 ~
brand #ff6719 → #0f62fe ~
brand-hover #e85412 → #0050e6 ~
brand-deep #cc4a0e → #0043ce ~
border rgba(0, 0, 0, 0.10) → #e0e0e0 ~
border-strong rgba(0, 0, 0, 0.20) → #161616 ~
success #0d8050 → #24a148 ~
warning #d97706 → #f1c21b ~
danger #dc2626 → #da1e28 ~
info #2563eb → #0f62fe +
surface-soft #f4f4f4 +
surface-strong #e0e0e0 +
surface-dark #161616 +
surface-dark-elev #262626 +
text-body #161616 +
text-on-dark #ffffff +
text-on-dark-mute #c6c6c6 +
brand-active #002d9c +
border-on-dark #5e5e5e +
link #0f62fe +
link-hover #0043ce +
focus #0f62fe +
scrim rgba(0,0,0,0.5) +
success-soft #defbe6 +
warning-soft #fcf4d6 +
danger-soft #fff1f1 +
info-soft #edf5ff +
cool-gray-bg #f2f4f8 +
hero-blue-tint #e8eaff −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
bg-soft #f6f6f3 −
surface-warm #fafaf7 −
text-faint #a8a8a8 −
text-link #363737 −
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) typography 5 changed
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display {"family":"Cahuenga","size":56} → {"family":"IBM Plex Sans","size":72} ~
h1 {"family":"Cahuenga","size":40} → {"family":"IBM Plex Sans","size":40} ~
h2 {"family":"Cahuenga","size":32} → {"family":"IBM Plex Sans","size":32} ~
body {"family":"Spectral","size":19} → {"family":"IBM Plex Sans","size":16} ~
label {"family":"Monaco","size":13} → {"family":"IBM Plex Mono","size":11} radius 1 changed
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card 12px → 8px spacing 2 changed
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lg 32px → 48px ~
xl 48px → 96px