Aurora palette
Indigo Mesa
Dark anchor, working middle, light release: #005a5f, #00868e, #35a2aa, #5cafb6, #79ccd3 form a split-complementary 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.
cyanaurorafive-stop
#005a5f
#00868e
#35a2aa
#5cafb6
#79ccd3
The generator opens with #005a5f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.