Nebula palette
Perennial Reef
Five nebula stops with room to breathe — #00756e grounds, #00a49a and #3dc1b6 do the talking, #69cec4 softens, #87ebe1 lifts. The triadic bones keep it coherent across event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
tealnebulafive-stop
#00756e
#00a49a
#3dc1b6
#69cec4
#87ebe1
The generator opens with #00756e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.