YouTube vs Optimism
78 token-level differences between these two design systems.
Background
#0f0f0f → #ffffff Text
#ffffff → #000000 Brand
#ff0000 → #ff0420 Border
#3f3f3f → #e0e0e0 Display font
YouTube Sans → Optimism Display Body size
14px → 16px colors 70 changed
~
bg #0f0f0f → #ffffff ~
surface-card transparent → #ffffff ~
text #ffffff → #000000 ~
text-body #ffffff → #1a1a1a ~
text-muted #aaaaaa → #5a5a5a ~
brand #ff0000 → #ff0420 ~
brand-hover #cc0000 → #cc0319 ~
brand-active #aa0000 → #a30214 ~
brand-deep #990000 → #7d020f ~
border #3f3f3f → #e0e0e0 ~
border-soft #272727 → #ebebeb ~
border-strong #5e5e5e → #c0c0c0 +
bg-soft #f5f5f5 +
bg-strong #e6e6e6 +
bg-dark #000000 +
bg-dark-elev #1a1a1a +
bg-dark-deep #0a0a0a +
surface-card-soft #f5f5f5 +
text-subtle #8a8a8a +
text-on-dark #ffffff +
text-on-dark-soft #a8a8a8 +
brand-soft #ff04201a +
brand-glow rgba(255,4,32,0.40) +
brand-bright #ff3344 +
semantic-up #10b981 +
semantic-down #ef4444 +
semantic-warning #f59e0b +
semantic-info #ff0420 +
gradient-hero linear-gradient(135deg, #000000 0%, #1a1a1a 60%, #7d020f 100%) +
gradient-red linear-gradient(135deg, #ff0420 0%, #cc0319 100%) +
focus-ring rgba(255,4,32,0.45) +
scrim rgba(0,0,0,0.65) +
link #ff0420 +
link-hover #cc0319 −
bg-deep #000000 −
bg-light #ffffff −
surface #272727 −
surface-strong #3f3f3f −
surface-soft #1f1f1f −
surface-overlay rgba(0,0,0,0.85) −
surface-light #f9f9f9 −
text-strong #ffffff −
text-soft #717171 −
text-inverse #0f0f0f −
text-disabled #717171 −
text-light #0f0f0f −
text-light-muted #606060 −
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
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display {"family":"YouTube Sans","size":72} → {"family":"Optimism Display","size":72} ~
h1 {"family":"YouTube Sans","size":40} → {"family":"Optimism Display","size":40} ~
h2 {"family":"YouTube Sans","size":32} → {"family":"Optimism Display","size":32} ~
body {"family":"YouTube Sans","size":14} → {"family":"Inter","size":16} ~
label {"family":"Roboto Mono","size":11} → {"family":"JetBrains Mono","size":11} radius 2 changed
~
button 8px → 12px ~
pill 9999px → 999px spacing 1 changed
~
xl 48px → 64px