Character.AI vs Buttondown
67 token-level differences between these two design systems.
Background
#f4f4f5 → #ffffff Text
#26272b → #000000 Brand
#9b6cff → #0069ff Border
rgba(38, 39, 43, 0.12) → #e5e5e5 Display font
atHauss → Auto Pro Body size
16px → 16px colors 54 changed
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bg #f4f4f5 → #ffffff ~
surface #ffffff → #fafafa ~
text #26272b → #000000 ~
text-strong #0f0f12 → #000000 ~
text-muted #6b6c70 → #525252 ~
text-soft #8a8b8f → #737373 ~
text-faint #a1a1a6 → #a3a3a3 ~
on-brand #fafafa → #ffffff ~
brand #9b6cff → #0069ff ~
brand-soft #ede4ff → #e6f0ff ~
link #202024 → #0069ff ~
border rgba(38, 39, 43, 0.12) → #e5e5e5 ~
border-strong rgba(38, 39, 43, 0.20) → #d4d4d4 ~
info-bg #ede4ff → #e6f0ff +
surface-2 #f4f4f5 +
surface-3 #e9e9eb +
brand-hover #0052cc +
brand-active #0043a8 +
accent #fef08a +
accent-soft #fefce8 +
highlight #fef08a +
success #15803d +
warning #b45309 +
danger #dc2626 +
info #0069ff −
bg-soft #fafafa −
bg-elevated #ffffff −
surface-hover #f8f8f9 −
surface-strong #e4e4e7 −
text-medium #3f3f46 −
on-cta #fafafa −
brand-strong #7e4cff −
brand-deep #5a2ee0 −
brand-faint #f7f2ff −
brand-glow rgba(155, 108, 255, 0.32) −
cta-bg #202024 −
cta-bg-strong #0f0f12 −
cta-text #fafafa −
social-bg #131316 −
social-bg-hover #202024 −
social-text #fafafa −
link-hover #9b6cff −
selected-bg #ede4ff −
disabled-bg #e4e4e7 −
disabled-text #a1a1a6 −
border-soft rgba(38, 39, 43, 0.06) −
border-focus #9b6cff −
border-focus-cta #202024 −
success-text #15803d −
warning-text #854d0e −
danger-text #b91c1c −
info-text #5a2ee0 −
shadow-rgb 38, 39, 43 −
shadow-glow 155, 108, 255 typography 5 changed
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display {"family":"atHauss","size":64} → {"family":"Auto Pro","size":96} ~
h1 {"family":"atHauss","size":36} → {"family":"Auto Pro","size":44} ~
h2 {"family":"atHauss","size":28} → {"family":"Auto Pro","size":32} ~
body {"family":"atHauss","size":16} → {"family":"Auto Pro","size":16} ~
label {"family":"JetBrains Mono","size":12} → {"family":"SFMono-Regular","size":13} radius 3 changed
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button 12px → 8px ~
card 16px → 12px ~
pill 30px → 9999px spacing 5 changed
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xs 1px → 0px ~
sm 2px → 4px ~
md 6px → 12px ~
lg 16px → 32px ~
xl 24px → 64px