Europe
Underground roundel red, royal navy, and pub-tile green — the everyday colors of London's streets and transport.
Underground bullseye, 1908; Edward Johnston redesign, 1917–19
White text 4.87:1 · AAEditorial blue, not TfL's value (TfL Corporate Blue / Piccadilly line: PMS 072, R0 G25 B168)
White text 9.57:1 · AAANo two colors in this palette reach 4.5:1 for body text. Set text in white or black, as marked on each swatch.
Check this palette: contrast matrix, harmony, color-blind view →London's transport network publishes its colors: the Underground roundel red is Pantone 485 in TfL's Colour standard. Royal navy, and the red of guards' tunics and post boxes, add a civic and ceremonial layer. The vernacular layer adds Victorian garden brick (#9F4A3C), London Plane tree green, and the deep enamelled green of pub tile dadoes — all present across Hampstead, Bloomsbury, Marylebone, and the City. Even the typeface (Edward Johnston's, 1916) is still Transport for London's corporate face.
:root {
--underground-red: #dc241f;
--underground-blue: #1c3f95;
--royal-navy: #0a2351;
--buckingham-red: #a4262c;
--plane-tree-green: #5c7a5a;
--pub-tile-green: #1f4d2e;
--garden-brick: #9f4a3c;
}@theme {
--color-underground-red: #dc241f;
--color-underground-blue: #1c3f95;
--color-royal-navy: #0a2351;
--color-buckingham-red: #a4262c;
--color-plane-tree-green: #5c7a5a;
--color-pub-tile-green: #1f4d2e;
--color-garden-brick: #9f4a3c;
}Ireland
Forty shades of green — peat, Atlantic spray, and Aran wool ivory.
Greece (Aegean)
Whitewashed walls and Aegean blue — the two-color palette of the Cycladic islands.
Italy (Tuscany)
Terra rossa and Sienese ochres — the warm half of the Mediterranean palette.
Scandinavia
Dusty pastels, ash whites, and forest greens — light scarcity made into a design language.