Aurora palette
Grassy Foundry
Dark anchor, working middle, light release: #3c4395, #616dbf, #7b88dd, #8c9ae2, #a8b6ff 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 for large text.
blueaurorafive-stop
#3c4395
#616dbf
#7b88dd
#8c9ae2
#a8b6ff
The generator opens with #3c4395 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.