Nebula palette
Coral Lagoon
From #00554e ink through #008178, #349d93, #59aaa1 to #75c6bd light, Coral Lagoon 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 for large text.
tealnebulafive-stop
#00554e
#008178
#349d93
#59aaa1
#75c6bd
The generator opens with #00554e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.