Substack vs Delta Air Lines
56 token-level differences between these two design systems.
Background
#ffffff → #fafafa Text
#363737 → #1a1a1a Brand
#ff6719 → #003366 Border
rgba(0, 0, 0, 0.10) → #d8dce0 Display font
Cahuenga → Whitney Body size
19px → 16px colors 45 changed
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bg #ffffff → #fafafa ~
bg-soft #f6f6f3 → #f4f5f7 ~
text #363737 → #1a1a1a ~
text-strong #1a1a1a → #003366 ~
text-soft #666c70 → #8a8a8a ~
text-faint #a8a8a8 → #bcbcbc ~
text-muted #878787 → #5a5a5a ~
brand #ff6719 → #003366 ~
brand-hover #e85412 → #002952 ~
brand-deep #cc4a0e → #001428 ~
brand-tint rgba(255, 103, 25, 0.10) → #e6ebf2 ~
border rgba(0, 0, 0, 0.10) → #d8dce0 ~
border-strong rgba(0, 0, 0, 0.20) → #b8bdc4 ~
border-soft rgba(0, 0, 0, 0.06) → #eaecf0 ~
success #0d8050 → #1d8049 ~
warning #d97706 → #cc8800 ~
danger #dc2626 → #e01933 ~
info #2563eb → #003366 +
bg-warm #faf9f6 +
surface-soft #fafbfc +
surface-strong #f0f2f5 +
brand-pressed #001f3d +
brand-soft #cbd5e0 +
red #e01933 +
red-deep #b8132a +
red-soft #ffe5e8 +
text-on-brand #ffffff +
link #003366 +
link-hover #e01933 +
selected-bg #e6ebf2 +
border-brand #003366 +
diamond-tier #3b3540 +
platinum-tier #737a82 +
gold-tier #b08a4a +
silver-tier #a0a4a8 −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
surface-warm #fafaf7 −
text-link #363737 −
brand-tint-strong rgba(255, 103, 25, 0.18) −
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) typography 5 changed
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display {"family":"Cahuenga","size":56} → {"family":"Whitney","size":64} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Whitney","size":36} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Whitney","size":28} ~
body {"family":"Spectral","size":19} → {"family":"Whitney","size":16} ~
label {"family":"Monaco","size":13} → {"family":"SFMono-Regular","size":13} radius 1 changed
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card 12px → 8px spacing 5 changed
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xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px ~
lg 32px → 24px ~
xl 48px → 40px