Claude.ai vs Character.AI
82 token-level differences between these two design systems.
Background
#f8f8f6 → #f4f4f5 Text
#121212 → #26272b Brand
#cd6f47 → #9b6cff Border
rgba(18,18,18,0.12) → rgba(38, 39, 43, 0.12) Display font
Anthropic Serif → atHauss Body size
17px → 16px colors 69 changed
~
bg #f8f8f6 → #f4f4f5 ~
bg-soft #faf9f5 → #fafafa ~
text #121212 → #26272b ~
text-strong #000000 → #0f0f12 ~
text-muted #666660 → #6b6c70 ~
text-faint #b4b4a8 → #a1a1a6 ~
brand #cd6f47 → #9b6cff ~
brand-soft #f3e7df → #ede4ff ~
brand-strong #a85530 → #7e4cff ~
brand-deep #7d3c1f → #5a2ee0 ~
on-brand #ffffff → #fafafa ~
cta-bg #121212 → #202024 ~
cta-text #f8f8f6 → #fafafa ~
link #121212 → #202024 ~
link-hover #cd6f47 → #9b6cff ~
border rgba(18,18,18,0.12) → rgba(38, 39, 43, 0.12) ~
border-soft rgba(18,18,18,0.06) → rgba(38, 39, 43, 0.06) ~
border-strong rgba(18,18,18,0.18) → rgba(38, 39, 43, 0.20) +
bg-elevated #ffffff +
surface-hover #f8f8f9 +
surface-strong #e4e4e7 +
text-medium #3f3f46 +
text-soft #8a8b8f +
on-cta #fafafa +
brand-faint #f7f2ff +
brand-glow rgba(155, 108, 255, 0.32) +
cta-bg-strong #0f0f12 +
social-bg #131316 +
social-bg-hover #202024 +
social-text #fafafa +
selected-bg #ede4ff +
disabled-bg #e4e4e7 +
disabled-text #a1a1a6 +
border-focus #9b6cff +
border-focus-cta #202024 +
success-bg #dcfce7 +
success-text #15803d +
warning-bg #fef3c7 +
warning-text #854d0e +
danger-bg #fee2e2 +
danger-text #b91c1c +
info-bg #ede4ff +
info-text #5a2ee0 +
shadow-rgb 38, 39, 43 +
shadow-glow 155, 108, 255 −
bg-deep #f0efea −
surface-soft #fbfaf6 −
surface-warm #f3f0ea −
text-subtle #8e8e85 −
text-on-brand #ffffff −
text-on-cta #f8f8f6 −
text-on-dark #f3f0ea −
brand-paler #fdf0e8 −
cta-hover #2a2a2a −
cta-active #3d3d3d −
link-visited #7d3c1f −
scrim rgba(18,18,18,0.45) −
shadow-warm rgba(18,18,18,0.04) −
shadow-card rgba(18,18,18,0.06) −
shadow-elev rgba(18,18,18,0.10) −
shadow-modal rgba(18,18,18,0.18) −
success #5a8c5a −
success-soft #e6efe2 −
warning #b58a3c −
warning-soft #fbf3df −
danger #b54a3c −
danger-soft #fbe8e3 −
info #5a708c −
highlight #fbe8d6 typography 5 changed
~
display {"family":"Anthropic Serif","size":56} → {"family":"atHauss","size":64} ~
h1 {"family":"Anthropic Serif","size":48} → {"family":"atHauss","size":36} ~
h2 {"family":"Anthropic Serif","size":40} → {"family":"atHauss","size":28} ~
body {"family":"Anthropic Sans","size":17} → {"family":"atHauss","size":16} ~
label {"family":"Anthropic Mono","size":12} → {"family":"JetBrains Mono","size":12} radius 3 changed
~
button 8px → 12px ~
card 12px → 16px ~
pill 9999px → 30px spacing 5 changed
~
xs 4px → 1px ~
sm 8px → 2px ~
md 16px → 6px ~
lg 32px → 16px ~
xl 48px → 24px