Blue Hour palette
Stormy Alley
Dark anchor, working middle, light release: #ac230f, #c43d29, #008193, #e45b45, #009fb4 form a tetradic blue hour set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes.
redbluehourfive-stop
#ac230f
#c43d29
#008193
#e45b45
#009fb4
The generator opens with #ac230f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.