Aurora palette
Spruce Dune
From #00494c ink through #007479, #318f94, #539ca0 to #6fb9bc light, Spruce Dune is a split-complementary progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
cyanaurorafive-stophigh-contrast
#00494c
#007479
#318f94
#539ca0
#6fb9bc
The generator opens with #00494c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.