Substack vs JetBlue
54 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#363737 → #1a1a1a Brand
#ff6719 → #0033a0 Border
rgba(0, 0, 0, 0.10) → #dee2e8 Display font
Cahuenga → JetBlue Sans Body size
19px → 16px colors 42 changed
~
bg-soft #f6f6f3 → #f5f7fa ~
text #363737 → #1a1a1a ~
text-strong #1a1a1a → #0033a0 ~
text-soft #666c70 → #8a8a8a ~
text-faint #a8a8a8 → #bcbcbc ~
text-muted #878787 → #5a5a5a ~
brand #ff6719 → #0033a0 ~
brand-hover #e85412 → #002a82 ~
brand-deep #cc4a0e → #001548 ~
brand-tint rgba(255, 103, 25, 0.10) → #e6ecf5 ~
border rgba(0, 0, 0, 0.10) → #dee2e8 ~
border-strong rgba(0, 0, 0, 0.20) → #bcc2cc ~
border-soft rgba(0, 0, 0, 0.06) → #eaedf2 ~
success #0d8050 → #1a8757 ~
warning #d97706 → #cc8800 ~
danger #dc2626 → #c4313a ~
info #2563eb → #0033a0 +
bg-warm #fffaf6 +
surface-soft #fafbfd +
surface-strong #f0f4f9 +
brand-pressed #001f63 +
brand-soft #cbd6ea +
mint-orange #ff6633 +
mint-orange-deep #d8501f +
mint-orange-soft #ffe9df +
text-on-brand #ffffff +
link #0033a0 +
link-hover #ff6633 +
selected-bg #e6ecf5 +
border-brand #0033a0 +
trueblue-mosaic #0033a0 +
trueblue-mint #ff6633 −
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":"JetBlue Sans","size":64} ~
h1 {"family":"Cahuenga","size":40} → {"family":"JetBlue Sans","size":36} ~
h2 {"family":"Cahuenga","size":32} → {"family":"JetBlue Sans","size":28} ~
body {"family":"Spectral","size":19} → {"family":"JetBlue Sans","size":16} ~
label {"family":"Monaco","size":13} → {"family":"SFMono-Regular","size":13} radius 2 changed
~
button 6px → 12px ~
card 12px → 16px spacing 5 changed
~
xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px ~
lg 32px → 24px ~
xl 48px → 40px