Claude.ai vs Buttondown
61 token-level differences between these two design systems.
Background
#f8f8f6 → #ffffff Text
#121212 → #000000 Brand
#cd6f47 → #0069ff Border
rgba(18,18,18,0.12) → #e5e5e5 Display font
Anthropic Serif → Auto Pro Body size
17px → 16px colors 52 changed
~
bg #f8f8f6 → #ffffff ~
surface #ffffff → #fafafa ~
text #121212 → #000000 ~
text-muted #666660 → #525252 ~
text-faint #b4b4a8 → #a3a3a3 ~
brand #cd6f47 → #0069ff ~
brand-soft #f3e7df → #e6f0ff ~
link #121212 → #0069ff ~
border rgba(18,18,18,0.12) → #e5e5e5 ~
border-strong rgba(18,18,18,0.18) → #d4d4d4 ~
success #5a8c5a → #15803d ~
warning #b58a3c → #b45309 ~
danger #b54a3c → #dc2626 ~
info #5a708c → #0069ff ~
highlight #fbe8d6 → #fef08a +
surface-2 #f4f4f5 +
surface-3 #e9e9eb +
text-soft #737373 +
brand-hover #0052cc +
brand-active #0043a8 +
accent #fef08a +
accent-soft #fefce8 +
success-bg #dcfce7 +
warning-bg #fef3c7 +
danger-bg #fee2e2 +
info-bg #e6f0ff −
bg-soft #faf9f5 −
bg-deep #f0efea −
surface-soft #fbfaf6 −
surface-warm #f3f0ea −
text-subtle #8e8e85 −
text-on-brand #ffffff −
text-on-cta #f8f8f6 −
text-on-dark #f3f0ea −
brand-paler #fdf0e8 −
brand-strong #a85530 −
brand-deep #7d3c1f −
cta-bg #121212 −
cta-text #f8f8f6 −
cta-hover #2a2a2a −
cta-active #3d3d3d −
link-hover #cd6f47 −
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-soft #e6efe2 −
warning-soft #fbf3df −
danger-soft #fbe8e3 typography 5 changed
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display {"family":"Anthropic Serif","size":56} → {"family":"Auto Pro","size":96} ~
h1 {"family":"Anthropic Serif","size":48} → {"family":"Auto Pro","size":44} ~
h2 {"family":"Anthropic Serif","size":40} → {"family":"Auto Pro","size":32} ~
body {"family":"Anthropic Sans","size":17} → {"family":"Auto Pro","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