Substack vs BBC News
70 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#363737 → #202224 Brand
#ff6719 → #bb1919 Border
rgba(0, 0, 0, 0.10) → #dcdcdc Display font
Cahuenga → BBC Reith Sans Body size
19px → 18px colors 58 changed
~
text #363737 → #202224 ~
text-strong #1a1a1a → #000000 ~
text-soft #666c70 → #7a7d81 ~
text-faint #a8a8a8 → #a3a6aa ~
text-muted #878787 → #5a5d61 ~
brand #ff6719 → #bb1919 ~
brand-hover #e85412 → #a31515 ~
brand-deep #cc4a0e → #5a0d0d ~
border rgba(0, 0, 0, 0.10) → #dcdcdc ~
border-strong rgba(0, 0, 0, 0.20) → #999999 ~
border-soft rgba(0, 0, 0, 0.06) → #f0f0f0 ~
success #0d8050 → #2ea44f ~
warning #d97706 → #cc7a00 ~
danger #dc2626 → #bb1919 ~
info #2563eb → #0066b8 +
bg-section #ffffff +
bg-dark #202224 +
bg-darkest #0d0d0d +
surface-soft #f6f6f6 +
surface-strong #e8e8e8 +
surface-quote #fbe6e6 +
surface-red-tint #fce8e8 +
text-on-red #ffffff +
text-on-dark #ffffff +
brand-active #8b1212 +
brand-soft #fadcdc +
brand-block #bb1919 +
link #bb1919 +
link-hover #a31515 +
link-visited #5a5d61 +
on-dark #ffffff +
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-soft #dff0e7 +
warning-soft #fde9cc +
danger-soft #fadcdc +
info-soft #cfe7f5 +
breaking-red #bb1919 +
live-red #bb1919 +
bbc-iplayer #ffd000 +
bbc-sounds #ff4f00 +
bbc-sport #ffd000 −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
bg-soft #f6f6f3 −
surface-warm #fafaf7 −
text-link #363737 −
brand-tint rgba(255, 103, 25, 0.10) −
brand-tint-strong rgba(255, 103, 25, 0.18) −
border-warm rgba(0, 0, 0, 0.08) −
selection-bg rgba(255, 103, 25, 0.20) −
shadow-soft rgba(0, 0, 0, 0.06) −
shadow-medium rgba(0, 0, 0, 0.10) −
reading-rule rgba(0, 0, 0, 0.08) typography 5 changed
~
display {"family":"Cahuenga","size":56} → {"family":"BBC Reith Sans","size":72} ~
h1 {"family":"Cahuenga","size":40} → {"family":"BBC Reith Sans","size":28} ~
h2 {"family":"Cahuenga","size":32} → {"family":"BBC Reith Sans","size":22} ~
body {"family":"Spectral","size":19} → {"family":"BBC Reith Sans","size":18} ~
label {"family":"Monaco","size":13} → {"family":"BBC Reith Mono","size":11} radius 2 changed
~
button 6px → 4px ~
card 12px → 8px spacing 5 changed
~
xs 4px → 2px ~
sm 8px → 4px ~
md 16px → 12px ~
lg 32px → 24px ~
xl 48px → 40px