Substack vs Reddit
59 token-level differences between these two design systems.
Background
#ffffff → #dae0e6 Text
#363737 → #1a1a1b Brand
#ff6719 → #ff4500 Border
rgba(0, 0, 0, 0.10) → #edeff1 Display font
Cahuenga → IBM Plex Sans Body size
19px → 14px colors 53 changed
~
bg #ffffff → #dae0e6 ~
bg-soft #f6f6f3 → #f6f7f8 ~
text #363737 → #1a1a1b ~
text-strong #1a1a1a → #030303 ~
text-soft #666c70 → #878a8c ~
text-faint #a8a8a8 → #9b9b9b ~
text-muted #878787 → #7c7c7c ~
brand #ff6719 → #ff4500 ~
brand-hover #e85412 → #e63e00 ~
brand-deep #cc4a0e → #a83100 ~
border rgba(0, 0, 0, 0.10) → #edeff1 ~
border-strong rgba(0, 0, 0, 0.20) → #ccc ~
success #0d8050 → #46d160 ~
warning #d97706 → #ffb000 ~
danger #dc2626 → #ea0027 ~
info #2563eb → #0079d3 +
bg-deep #030303 +
surface-hover #f6f7f8 +
surface-elevated #ffffff +
surface-deep #1a1a1b +
text-body #1c1c1c +
text-on-brand #ffffff +
brand-active #cc3700 +
brand-soft #ffe4d6 +
upvote #ff4500 +
downvote #7193ff +
link #0079d3 +
link-hover #0061a8 +
link-visited #7c4dff +
border-subtle #f6f7f8 +
border-card #ccc +
on-bg #1a1a1b +
shadow-color rgba(28,28,28,0.08) +
shadow-elevated rgba(28,28,28,0.16) +
award-gold #ffb000 +
award-silver #c8c9d0 +
award-platinum #39d8ff +
flair-blue #46d160 +
flair-pink #ff66ac +
flair-green #46d160 +
community-blue #0079d3 −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
surface-warm #fafaf7 −
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":56} ~
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":14} ~
label {"family":"Monaco","size":13} → {"family":"IBM Plex Mono","size":12} radius 1 changed
~
button 6px → 8px spacing identical
No differences.