Cal.com vs BBC News
73 token-level differences between these two design systems.
Background
#f4f4f4 → #ffffff Text
#111111 → #202224 Brand
#111111 → #bb1919 Border
rgba(0, 0, 0, 0.08) → #dcdcdc Display font
Cal Sans → BBC Reith Sans Body size
16px → 18px colors 61 changed
~
bg #f4f4f4 → #ffffff ~
surface-soft #f8f9fa → #f6f6f6 ~
surface-strong #e5e7eb → #e8e8e8 ~
text #111111 → #202224 ~
text-soft #6b7280 → #7a7d81 ~
text-muted #898989 → #5a5d61 ~
text-faint #9ca3af → #a3a6aa ~
brand #111111 → #bb1919 ~
brand-active #242424 → #8b1212 ~
link #0000ee → #bb1919 ~
link-visited #551a8b → #5a5d61 ~
link-hover #0000aa → #a31515 ~
border rgba(0, 0, 0, 0.08) → #dcdcdc ~
border-soft #f3f4f6 → #f0f0f0 ~
border-strong #e5e7eb → #999999 +
bg-section #ffffff +
bg-dark #202224 +
bg-darkest #0d0d0d +
surface-quote #fbe6e6 +
surface-red-tint #fce8e8 +
text-on-red #ffffff +
text-on-dark #ffffff +
brand-hover #a31515 +
brand-soft #fadcdc +
brand-deep #5a0d0d +
brand-block #bb1919 +
border-rule #202224 +
border-red #bb1919 +
shadow-card rgba(0,0,0,0.06) +
shadow-elev rgba(0,0,0,0.1) +
shadow-modal rgba(0,0,0,0.3) +
scrim rgba(0,0,0,0.6) +
success #2ea44f +
success-soft #dff0e7 +
warning #cc7a00 +
warning-soft #fde9cc +
danger #bb1919 +
danger-soft #fadcdc +
info #0066b8 +
info-soft #cfe7f5 +
breaking-red #bb1919 +
live-red #bb1919 +
bbc-iplayer #ffd000 +
bbc-sounds #ff4f00 +
bbc-sport #ffd000 −
bg-soft #fafafa −
surface-card #f5f5f5 −
surface-dark #101010 −
surface-dark-elev #1a1a1a −
text-body #374151 −
brand-disabled #e5e7eb −
on-dark-soft #a1a1aa −
brand-accent #3b82f6 −
badge-orange #fb923c −
badge-pink #ec4899 −
badge-violet #8b5cf6 −
badge-emerald #34d399 −
semantic-success #10b981 −
semantic-warning #f59e0b −
semantic-danger #ef4444 −
semantic-info #3b82f6 typography 5 changed
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display {"family":"Cal Sans","size":64} → {"family":"BBC Reith Sans","size":72} ~
h1 {"family":"Cal Sans","size":36} → {"family":"BBC Reith Sans","size":28} ~
h2 {"family":"Cal Sans","size":28} → {"family":"BBC Reith Sans","size":22} ~
body {"family":"Inter","size":16} → {"family":"BBC Reith Sans","size":18} ~
label {"family":"JetBrains Mono","size":11} → {"family":"BBC Reith Mono","size":11} radius 2 changed
~
button 8px → 4px ~
card 20px → 8px spacing 5 changed
~
xs 4px → 2px ~
sm 8px → 4px ~
md 16px → 12px ~
lg 48px → 24px ~
xl 96px → 40px