Aurora palette
Leaden Abbey
Dark anchor, working middle, light release: #00546b, #007fa0, #349bbd, #59a9c6, #76c5e3 form a split-complementary aurora 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.
cyanaurorafive-stop
#00546b
#007fa0
#349bbd
#59a9c6
#76c5e3
The generator opens with #00546b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.