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