Nebula palette
Oyster Garret
From #006583 ink through #1691b9, #40add6, #66bcdf to #83d9fd light, Oyster Garret 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.
cyannebulafive-stop
#006583
#1691b9
#40add6
#66bcdf
#83d9fd
The generator opens with #006583 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.