Sierra vs BBC News
75 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#302e2d → #202224 Brand
#006838 → #bb1919 Border
#e4e0dc → #dcdcdc Display font
GT America → BBC Reith Sans Body size
16px → 18px colors 65 changed
~
surface #f6f5f3 → #ffffff ~
text #302e2d → #202224 ~
brand #006838 → #bb1919 ~
brand-deep #05351d → #5a0d0d ~
text-soft #55524f → #7a7d81 ~
text-faint #7c7873 → #a3a6aa ~
text-muted #a39f99 → #5a5d61 ~
link #006838 → #bb1919 ~
link-hover #05351d → #a31515 ~
border #e4e0dc → #dcdcdc ~
border-strong #d4cfc9 → #999999 +
bg-section #ffffff +
bg-dark #202224 +
bg-darkest #0d0d0d +
surface-soft #f6f6f6 +
surface-strong #e8e8e8 +
surface-quote #fbe6e6 +
surface-red-tint #fce8e8 +
text-strong #000000 +
text-on-red #ffffff +
text-on-dark #ffffff +
brand-hover #a31515 +
brand-active #8b1212 +
brand-soft #fadcdc +
brand-block #bb1919 +
link-visited #5a5d61 +
on-dark #ffffff +
border-soft #f0f0f0 +
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-cream #f6f5f3 −
hero-bg #05351d −
text-heading #222222 −
on-hero #ffffff −
brand-bright #0a7d46 −
glass-cta rgba(255, 255, 255, 0.10) −
selected-bg #eef0ec −
disabled #a39f99 −
border-subtle #efece8 −
border-hero rgba(255, 255, 255, 0.16) −
success-bg #e3efe7 −
success-text #05351d −
warning-bg #f6ecd9 −
warning-text #6b531c −
danger-bg #f6e4e1 −
danger-text #8a3a2e −
info-bg #e6edf2 −
info-text #2c4a5e typography 5 changed
~
display {"family":"GT America","size":80} → {"family":"BBC Reith Sans","size":72} ~
h1 {"family":"GT America","size":48} → {"family":"BBC Reith Sans","size":28} ~
h2 {"family":"GT America","size":32} → {"family":"BBC Reith Sans","size":22} ~
body {"family":"GT America","size":16} → {"family":"BBC Reith Sans","size":18} ~
label {"family":"SFMono-Regular","size":13} → {"family":"BBC Reith Mono","size":11} radius 2 changed
~
button 8px → 4px ~
card 12px → 8px spacing 3 changed
~
xs 0px → 2px ~
lg 32px → 24px ~
xl 64px → 40px