Aurora palette
Drowsy Square
Dark anchor, working middle, light release: #003c90, #1662d2, #357ff1, #5391f2, #7cafff form a monochromatic 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 as a text pair.
skyaurorafive-stophigh-contrast
#003c90
#1662d2
#357ff1
#5391f2
#7cafff
The generator opens with #003c90 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.