Nebula palette
Brumal Cove
From #004c47 ink through #007870, #32938b, #54a098 to #71bdb4 light, Brumal Cove is a split-complementary progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
cyannebulafive-stophigh-contrast
#004c47
#007870
#32938b
#54a098
#71bdb4
The generator opens with #004c47 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.