Aurora palette
Snowy Oasis
Five aurora stops with room to breathe — #44519a grounds, #6b7bc4 and #8597e2 do the talking, #97a7e8 softens, #b6c5ff lifts. The complementary bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
skyaurorafive-stop
#44519a
#6b7bc4
#8597e2
#97a7e8
#b6c5ff
The generator opens with #44519a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.