KAYAK vs Substack
75 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#1e2026 → #363737 Brand
#ff690f → #ff6719 Border
#dadde0 → rgba(0, 0, 0, 0.10) Display font
Open Sans → Cahuenga Body size
14px → 19px colors 64 changed
~
text #1e2026 → #363737 ~
text-strong #0a0c10 → #1a1a1a ~
text-muted #5e6470 → #878787 ~
text-soft #8a909d → #666c70 ~
brand #ff690f → #ff6719 ~
brand-hover #e85a07 → #e85412 ~
brand-deep #7a3300 → #cc4a0e ~
border #dadde0 → rgba(0, 0, 0, 0.10) ~
border-soft #eaecef → rgba(0, 0, 0, 0.06) ~
border-strong #a4a9b4 → rgba(0, 0, 0, 0.20) ~
success #0a8c3e → #0d8050 ~
danger #cc2935 → #dc2626 ~
info #0066cc → #2563eb +
bg-elev #fafaf7 +
bg-cream #fbf9f4 +
bg-soft #f6f6f3 +
surface-warm #fafaf7 +
text-faint #a8a8a8 +
text-link #363737 +
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-alt #f8f8f8 −
bg-data #f0f3f5 −
surface-soft #f4f4f4 −
surface-strong #e8e8e8 −
surface-orange-soft #fff2e8 −
surface-graph #fdf3eb −
surface-deal #fff2e8 −
text-body #2c2f36 −
text-on-brand #ffffff −
text-on-orange #ffffff −
brand-active #c54a00 −
brand-light #fff2e8 −
brand-graph #ff690f −
brand-graph-fill #fdf3eb −
link #0066cc −
link-hover #004a99 −
link-visited #5a4392 −
border-input-focus #ff690f −
divider #dadde0 −
scrim rgba(0,0,0,0.5) −
shadow-card rgba(0,0,0,0.06) −
shadow-elev rgba(0,0,0,0.14) −
shadow-deep rgba(255,105,15,0.18) −
success-soft #e8f6ee −
success-deep #0a6b32 −
warning-soft #fff7e6 −
danger-soft #fdeaec −
info-soft #e8f0f8 −
best-flag #0a8c3e −
cheapest-flag #0a8c3e −
fastest-flag #9333ea −
short-stop-flag #0066cc −
hacker-fare #ff690f −
pricegraph-stroke #ff690f −
pricegraph-fill #fdf3eb −
pricegraph-low #0a8c3e −
pricegraph-high #cc2935 typography 5 changed
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display {"family":"Open Sans","size":72} → {"family":"Cahuenga","size":56} ~
h1 {"family":"Open Sans","size":40} → {"family":"Cahuenga","size":40} ~
h2 {"family":"Open Sans","size":32} → {"family":"Cahuenga","size":32} ~
body {"family":"Open Sans","size":14} → {"family":"Spectral","size":19} ~
label {"family":"SFMono-Regular","size":11} → {"family":"Monaco","size":13} radius 1 changed
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card 8px → 12px spacing 5 changed
~
xs 2px → 4px ~
sm 4px → 8px ~
md 12px → 16px ~
lg 24px → 32px ~
xl 40px → 48px