Aurora palette
Cream Heath
Five aurora stops with room to breathe — #203487 grounds, #445eb0 and #5d79ce do the talking, #708ad3 softens, #8aa6f1 lifts. The analogous bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
skyaurorafive-stophigh-contrast
#203487
#445eb0
#5d79ce
#708ad3
#8aa6f1
The generator opens with #203487 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.