Aurora palette
Ashen Mill
Five aurora stops with room to breathe — #004b4e grounds, #00767b and #319196 do the talking, #549ea2 softens, #70bbbf lifts. The triadic bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
cyanaurorafive-stophigh-contrast
#004b4e
#00767b
#319196
#549ea2
#70bbbf
The generator opens with #004b4e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.