GitHub Copilot vs Character.AI
88 token-level differences between these two design systems.
Background
#ffffff → #f4f4f5 Text
#1f2328 → #26272b Brand
#000000 → #9b6cff Border
#d0d7de → rgba(38, 39, 43, 0.12) Display font
Mona Sans → atHauss Body size
18px → 16px colors 75 changed
~
bg #ffffff → #f4f4f5 ~
surface #f6f8fa → #ffffff ~
surface-strong #eaeef2 → #e4e4e7 ~
text #1f2328 → #26272b ~
text-strong #000000 → #0f0f12 ~
text-muted #59636e → #6b6c70 ~
brand #000000 → #9b6cff ~
border #d0d7de → rgba(38, 39, 43, 0.12) ~
border-strong #afb8c1 → rgba(38, 39, 43, 0.20) ~
on-brand #ffffff → #fafafa +
bg-soft #fafafa +
bg-elevated #ffffff +
surface-hover #f8f8f9 +
text-medium #3f3f46 +
text-soft #8a8b8f +
text-faint #a1a1a6 +
on-cta #fafafa +
brand-strong #7e4cff +
brand-deep #5a2ee0 +
brand-soft #ede4ff +
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 #202024 +
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-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-inverse #0d1117 −
bg-overlay #ffffffee −
surface-on-dark #161b22 −
surface-strong-on-dark #21262d −
text-subtle #6e7781 −
text-on-dark #f0f6fc −
text-on-dark-muted #9198a1 −
brand-hover #1f2328 −
brand-active #3d444d −
brand-on-dark #ffffff −
brand-on-dark-hover #f0f6fc −
accent #0969da −
accent-hover #0550ae −
accent-soft #ddf4ff −
accent-emphasis #0969da −
accent-on-dark #4493f8 −
success #1a7f37 −
success-soft #dafbe1 −
warning #9a6700 −
warning-soft #fff8c5 −
danger #cf222e −
danger-soft #ffebe9 −
done #8250df −
border-muted #d8dee4 −
border-on-dark #3d444d −
scrim rgba(140,149,159,0.15) −
shadow-small rgba(31,35,40,0.04) −
shadow-medium rgba(31,35,40,0.08) −
shadow-large rgba(31,35,40,0.12) typography 5 changed
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display {"family":"Mona Sans","size":96} → {"family":"atHauss","size":64} ~
h1 {"family":"Mona Sans","size":64} → {"family":"atHauss","size":36} ~
h2 {"family":"Mona Sans","size":56} → {"family":"atHauss","size":28} ~
body {"family":"Mona Sans","size":18} → {"family":"atHauss","size":16} ~
label {"family":"MonaspiceNe","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 40px → 16px ~
xl 64px → 24px