YouTube vs Character.AI
95 token-level differences between these two design systems.
Background
#0f0f0f → #f4f4f5 Text
#ffffff → #26272b Brand
#ff0000 → #9b6cff Border
#3f3f3f → rgba(38, 39, 43, 0.12) Display font
YouTube Sans → atHauss Body size
14px → 16px colors 82 changed
~
bg #0f0f0f → #f4f4f5 ~
surface #272727 → #ffffff ~
surface-strong #3f3f3f → #e4e4e7 ~
text #ffffff → #26272b ~
text-strong #ffffff → #0f0f12 ~
text-muted #aaaaaa → #6b6c70 ~
text-soft #717171 → #8a8b8f ~
brand #ff0000 → #9b6cff ~
brand-deep #990000 → #5a2ee0 ~
on-brand #ffffff → #fafafa ~
border #3f3f3f → rgba(38, 39, 43, 0.12) ~
border-soft #272727 → rgba(38, 39, 43, 0.06) ~
border-strong #5e5e5e → rgba(38, 39, 43, 0.20) +
bg-soft #fafafa +
bg-elevated #ffffff +
surface-hover #f8f8f9 +
text-medium #3f3f46 +
text-faint #a1a1a6 +
on-cta #fafafa +
brand-strong #7e4cff +
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-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 #000000 −
bg-light #ffffff −
surface-soft #1f1f1f −
surface-card transparent −
surface-overlay rgba(0,0,0,0.85) −
surface-light #f9f9f9 −
text-body #ffffff −
text-inverse #0f0f0f −
text-disabled #717171 −
text-light #0f0f0f −
text-light-muted #606060 −
brand-hover #cc0000 −
brand-active #aa0000 −
brand-shorts #ff0033 −
accent-link #3ea6ff −
accent-link-light #065fd4 −
accent-premium #f1c21b −
accent-music #ff0033 −
accent-tv #ff0000 −
accent-kids #ff0000 −
border-light #e5e5e5 −
shadow-card rgba(0,0,0,0.4) −
shadow-modal rgba(0,0,0,0.5) 0 8px 24px −
scrim-thumb linear-gradient(0deg, rgba(0,0,0,0.7) 0%, transparent 60%) −
progress-watched #ff0000 −
progress-rail rgba(255,255,255,0.2) −
progress-buffer rgba(255,255,255,0.4) −
recording-dot #ff0000 −
live-badge-bg #ff0000 −
duration-badge-bg rgba(0,0,0,0.6) −
success #0db750 −
warning #f1c21b −
danger #cc0000 −
info #3ea6ff −
shorts-tab #ff0033 −
community-tab #3ea6ff typography 5 changed
~
display {"family":"YouTube Sans","size":72} → {"family":"atHauss","size":64} ~
h1 {"family":"YouTube Sans","size":40} → {"family":"atHauss","size":36} ~
h2 {"family":"YouTube Sans","size":32} → {"family":"atHauss","size":28} ~
body {"family":"YouTube Sans","size":14} → {"family":"atHauss","size":16} ~
label {"family":"Roboto Mono","size":11} → {"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