IBM vs Substack
54 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#161616 → #363737 Brand
#0f62fe → #ff6719 Border
#e0e0e0 → rgba(0, 0, 0, 0.10) Display font
IBM Plex Sans → Cahuenga Body size
16px → 19px colors 46 changed
~
text #161616 → #363737 ~
text-strong #161616 → #1a1a1a ~
text-muted #525252 → #878787 ~
text-soft #8c8c8c → #666c70 ~
brand #0f62fe → #ff6719 ~
brand-hover #0050e6 → #e85412 ~
brand-deep #0043ce → #cc4a0e ~
border #e0e0e0 → rgba(0, 0, 0, 0.10) ~
border-strong #161616 → rgba(0, 0, 0, 0.20) ~
success #24a148 → #0d8050 ~
warning #f1c21b → #d97706 ~
danger #da1e28 → #dc2626 ~
info #0f62fe → #2563eb +
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) −
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 typography 5 changed
~
display {"family":"IBM Plex Sans","size":72} → {"family":"Cahuenga","size":56} ~
h1 {"family":"IBM Plex Sans","size":40} → {"family":"Cahuenga","size":40} ~
h2 {"family":"IBM Plex Sans","size":32} → {"family":"Cahuenga","size":32} ~
body {"family":"IBM Plex Sans","size":16} → {"family":"Spectral","size":19} ~
label {"family":"IBM Plex Mono","size":11} → {"family":"Monaco","size":13} radius 1 changed
~
card 8px → 12px spacing 2 changed
~
lg 48px → 32px ~
xl 96px → 48px