Substack vs Southwest Airlines
71 token-level differences between these two design systems.
Background
#ffffff → #f4f4f4 Text
#363737 → #000000 Brand
#ff6719 → #ffbf27 Border
rgba(0, 0, 0, 0.10) → #000000 Display font
Cahuenga → Southwest Sans Body size
19px → 16px colors 61 changed
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bg #ffffff → #f4f4f4 ~
surface #ffffff → #f4f4f4 ~
text #363737 → #000000 ~
text-soft #666c70 → #767676 ~
text-muted #878787 → #565656 ~
brand #ff6719 → #ffbf27 ~
brand-hover #e85412 → #f0b01c ~
on-brand #ffffff → #111b40 ~
border rgba(0, 0, 0, 0.10) → #000000 ~
border-strong rgba(0, 0, 0, 0.20) → #000000 ~
border-soft rgba(0, 0, 0, 0.06) → #d4d4d4 ~
success #0d8050 → #1a7a3c ~
warning #d97706 → #b25f00 ~
danger #dc2626 → #c4123c ~
info #2563eb → #304cb2 +
bg-alt #ffffff +
surface-white #ffffff +
surface-soft #ebebeb +
surface-navy #111b40 +
surface-blue #304cb2 +
surface-yellow-soft #fff6dd +
text-body #1a1a1a +
text-on-brand #111b40 +
text-on-navy #ffffff +
text-on-blue #ffffff +
brand-active #dca110 +
blue #304cb2 +
blue-hover #26409c +
blue-active #1d3380 +
navy #111b40 +
navy-2 #1a2a5e +
red-heart #d31245 +
link #304cb2 +
link-hover #26409c +
link-visited #5a3a9e +
border-focus #304cb2 +
divider #d4d4d4 +
scrim rgba(17,27,64,0.55) +
shadow-card rgba(17,27,64,0.08) +
shadow-elev rgba(17,27,64,0.16) +
shadow-deep rgba(17,27,64,0.24) +
success-soft #e6f4ec +
warning-soft #fff4e3 +
danger-soft #fdeef1 +
info-soft #eaeefb +
star-rating #ffbf27 −
bg-elev #fafaf7 −
bg-cream #fbf9f4 −
bg-soft #f6f6f3 −
surface-warm #fafaf7 −
text-strong #1a1a1a −
text-faint #a8a8a8 −
text-link #363737 −
brand-deep #cc4a0e −
brand-tint rgba(255, 103, 25, 0.10) −
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":"Southwest Sans","size":80} ~
h1 {"family":"Cahuenga","size":40} → {"family":"Southwest Sans","size":40} ~
h2 {"family":"Cahuenga","size":32} → {"family":"Southwest Sans","size":32} ~
body {"family":"Spectral","size":19} → {"family":"Southwest Sans","size":16} ~
label {"family":"Monaco","size":13} → {"family":"SFMono-Regular","size":13} radius 1 changed
~
button 6px → 8px spacing 4 changed
~
xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px ~
xl 48px → 64px