Blue Hour palette
Opal Lagoon
Dark anchor, working middle, light release: #873300, #c54e00, #e46b2f, #eb8354, #ffa67f form a monochromatic blue hour set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
orangebluehourfive-stop
#873300
#c54e00
#e46b2f
#eb8354
#ffa67f
The generator opens with #873300 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.