Blue Hour palette
Butter Lighthouse
Dark anchor, working middle, light release: #903716, #bc6345, #da7e60, #e39378, #ffb196 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.
orangebluehourfive-stop
#903716
#bc6345
#da7e60
#e39378
#ffb196
The generator opens with #903716 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.