Blue Hour palette
Lichen Atelier
Dark anchor, working middle, light release: #00588e, #2c82c2, #4b9ee0, #6aade6, #8ccaff form a tetradic 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.
skybluehourfive-stop
#00588e
#2c82c2
#4b9ee0
#6aade6
#8ccaff
The generator opens with #00588e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.