Nebula palette
Indigo Square
From #005e5c ink through #008b88, #37a7a3, #5eb4b1 to #7bd1cd light, Indigo Square is a split-complementary progression that holds together at any size. Use it for music artwork with loud darks and a glowing accent. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#005e5c
#008b88
#37a7a3
#5eb4b1
#7bd1cd
The generator opens with #005e5c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.