Acid palette
Spruce Heath
Five acid stops with room to breathe — #1c7590 grounds, #2e7a5c and #007a79 do the talking, #4b9576 softens, #329594 lifts. The analogous bones keep it coherent across event posters that compete with a wall of other posters.
cyanacidfive-stop
#1c7590
#2e7a5c
#007a79
#4b9576
#329594
The generator opens with #1c7590 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.