Costco vs Substack
69 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#333333 → #363737 Brand
#005dab → #ff6719 Border
#cccccc → rgba(0, 0, 0, 0.10) Display font
Inter → Cahuenga Body size
14px → 19px colors 58 changed
~
brand #005dab → #ff6719 ~
brand-deep #003e74 → #cc4a0e ~
text #333333 → #363737 ~
text-strong #000000 → #1a1a1a ~
text-muted #5e5e5e → #878787 ~
text-soft #7d7d7d → #666c70 ~
border #cccccc → rgba(0, 0, 0, 0.10) ~
border-soft #e0e0e0 → rgba(0, 0, 0, 0.06) ~
border-strong #999999 → rgba(0, 0, 0, 0.20) ~
success #3a8b00 → #0d8050 ~
warning #cc6600 → #d97706 ~
danger #e31837 → #dc2626 ~
info #005dab → #2563eb +
bg-elev #fafaf7 +
bg-cream #fbf9f4 +
bg-soft #f6f6f3 +
surface-warm #fafaf7 +
text-faint #a8a8a8 +
text-link #363737 +
brand-hover #e85412 +
brand-tint rgba(255, 103, 25, 0.10) +
brand-tint-strong rgba(255, 103, 25, 0.18) +
on-brand #ffffff +
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) −
bg-page #f4f4f4 −
surface-soft #f4f4f4 −
surface-strong #e8e8e8 −
surface-yellow #fff8d6 −
surface-blue-soft #e3f0fa −
masthead #005dab −
masthead-deep #003e74 −
masthead-active #002c52 −
brand-darkest #002c52 −
costco-red #e31837 −
costco-red-deep #b41027 −
costco-red-active #8c0c1f −
warehouse-yellow #ffeb00 −
warehouse-yellow-deep #fdd000 −
text-on-blue #ffffff −
text-on-red #ffffff −
text-on-yellow #000000 −
link #005dab −
link-hover #003e74 −
link-visited #5e2a8c −
border-input #999999 −
rating-yellow #fdd000 −
rating-empty #cccccc −
member-savings #e31837 −
online-only #005dab −
out-of-stock #7d7d7d −
scrim rgba(0,0,0,0.5) −
shadow-card rgba(0,0,0,0.08) −
shadow-elev rgba(0,0,0,0.16) −
warning-soft #fff7e6 typography 5 changed
~
display {"family":"Inter","size":72} → {"family":"Cahuenga","size":56} ~
h1 {"family":"Inter","size":40} → {"family":"Cahuenga","size":40} ~
h2 {"family":"Inter","size":32} → {"family":"Cahuenga","size":32} ~
body {"family":"Inter","size":14} → {"family":"Spectral","size":19} ~
label {"family":"Monaco","size":11} → {"family":"Monaco","size":13} radius 1 changed
~
card 8px → 12px spacing 5 changed
~
xs 2px → 4px ~
sm 4px → 8px ~
md 12px → 16px ~
lg 24px → 32px ~
xl 40px → 48px