Blue Hour palette
Flint Canyon
Dark anchor, working middle, light release: #af3300, #e15f37, #ff7e57, #ff9a7c, #ffc6b5 form a tetradic blue hour set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
redbluehourfive-stop
#af3300
#e15f37
#ff7e57
#ff9a7c
#ffc6b5
The generator opens with #af3300 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.