Claude.ai vs Lego
77 token-level differences between these two design systems.
Background
#f8f8f6 → #ffffff Text
#121212 → #1a1a1a Brand
#cd6f47 → #ffd500 Border
rgba(18,18,18,0.12) → #e0e0e0 Display font
Anthropic Serif → Lego Sans Body size
17px → 15px colors 65 changed
~
bg #f8f8f6 → #ffffff ~
bg-soft #faf9f5 → #f5f5f5 ~
surface-soft #fbfaf6 → #fafafa ~
text #121212 → #1a1a1a ~
text-muted #666660 → #5a5a5a ~
text-faint #b4b4a8 → #bcbcbc ~
text-on-brand #ffffff → #1a1a1a ~
brand #cd6f47 → #ffd500 ~
brand-soft #f3e7df → #ffec8a ~
brand-deep #7d3c1f → #a89200 ~
on-brand #ffffff → #1a1a1a ~
link #121212 → #0055bf ~
link-hover #cd6f47 → #003e8e ~
border rgba(18,18,18,0.12) → #e0e0e0 ~
border-soft rgba(18,18,18,0.06) → #f0f0f0 ~
border-strong rgba(18,18,18,0.18) → #cccccc ~
success #5a8c5a → #179a35 ~
warning #b58a3c → #ffd500 ~
danger #b54a3c → #d62027 ~
info #5a708c → #0055bf +
bg-warm #fffaf0 +
surface-strong #f0f0f0 +
brand-hover #e6c000 +
brand-pressed #cca900 +
brand-tint #fff8d0 +
red #d62027 +
red-deep #a8161c +
red-soft #ffd5d8 +
blue #0055bf +
blue-deep #003e8e +
blue-soft #cee0f5 +
green #179a35 +
green-deep #0c7826 +
green-soft #cdf0d4 +
text-soft #8a8a8a +
text-on-red #ffffff +
text-on-blue #ffffff +
text-on-green #ffffff +
selected-bg #fff8d0 +
border-brand #ffd500 +
age-0plus #179a35 +
age-6plus #0055bf +
age-12plus #d62027 +
age-adult #1a1a1a −
bg-deep #f0efea −
surface-warm #f3f0ea −
text-subtle #8e8e85 −
text-on-cta #f8f8f6 −
text-on-dark #f3f0ea −
brand-paler #fdf0e8 −
brand-strong #a85530 −
cta-bg #121212 −
cta-text #f8f8f6 −
cta-hover #2a2a2a −
cta-active #3d3d3d −
link-visited #7d3c1f −
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 −
highlight #fbe8d6 typography 5 changed
~
display {"family":"Anthropic Serif","size":56} → {"family":"Lego Sans","size":56} ~
h1 {"family":"Anthropic Serif","size":48} → {"family":"Lego Sans","size":32} ~
h2 {"family":"Anthropic Serif","size":40} → {"family":"Lego Sans","size":24} ~
body {"family":"Anthropic Sans","size":17} → {"family":"Lego Sans","size":15} ~
label {"family":"Anthropic Mono","size":12} → {"family":"SFMono-Regular","size":12} radius 2 changed
~
button 8px → 12px ~
card 12px → 16px spacing 5 changed
~
xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px ~
lg 32px → 24px ~
xl 48px → 40px