Claude.ai vs Sierra
70 token-level differences between these two design systems.
Background
#f8f8f6 → #ffffff Text
#121212 → #302e2d Brand
#cd6f47 → #006838 Border
rgba(18,18,18,0.12) → #e4e0dc Display font
Anthropic Serif → GT America Body size
17px → 16px colors 61 changed
~
bg #f8f8f6 → #ffffff ~
surface #ffffff → #f6f5f3 ~
text #121212 → #302e2d ~
text-muted #666660 → #a39f99 ~
text-faint #b4b4a8 → #7c7873 ~
brand #cd6f47 → #006838 ~
brand-deep #7d3c1f → #05351d ~
link #121212 → #006838 ~
link-hover #cd6f47 → #05351d ~
border rgba(18,18,18,0.12) → #e4e0dc ~
border-strong rgba(18,18,18,0.18) → #d4cfc9 +
bg-cream #f6f5f3 +
hero-bg #05351d +
text-heading #222222 +
on-hero #ffffff +
brand-bright #0a7d46 +
text-soft #55524f +
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 −
bg-soft #faf9f5 −
bg-deep #f0efea −
surface-soft #fbfaf6 −
surface-warm #f3f0ea −
text-strong #000000 −
text-subtle #8e8e85 −
text-on-brand #ffffff −
text-on-cta #f8f8f6 −
text-on-dark #f3f0ea −
brand-soft #f3e7df −
brand-paler #fdf0e8 −
brand-strong #a85530 −
cta-bg #121212 −
cta-text #f8f8f6 −
cta-hover #2a2a2a −
cta-active #3d3d3d −
link-visited #7d3c1f −
border-soft rgba(18,18,18,0.06) −
scrim rgba(18,18,18,0.45) −
shadow-warm rgba(18,18,18,0.04) −
shadow-card rgba(18,18,18,0.06) −
shadow-elev rgba(18,18,18,0.10) −
shadow-modal rgba(18,18,18,0.18) −
success #5a8c5a −
success-soft #e6efe2 −
warning #b58a3c −
warning-soft #fbf3df −
danger #b54a3c −
danger-soft #fbe8e3 −
info #5a708c −
highlight #fbe8d6 typography 5 changed
~
display {"family":"Anthropic Serif","size":56} → {"family":"GT America","size":80} ~
h1 {"family":"Anthropic Serif","size":48} → {"family":"GT America","size":48} ~
h2 {"family":"Anthropic Serif","size":40} → {"family":"GT America","size":32} ~
body {"family":"Anthropic Sans","size":17} → {"family":"GT America","size":16} ~
label {"family":"Anthropic Mono","size":12} → {"family":"SFMono-Regular","size":13} radius identical
No differences.
spacing 4 changed
~
xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px ~
xl 48px → 64px