Retro palette
Gypsy Bluff
Five retro stops with room to breathe — #ae6ab0 grounds, #a98000 and #0099a6 do the talking, #c69c34 softens, #00b7c7 lifts. The analogous bones keep it coherent across event posters that compete with a wall of other posters.
amberretrofive-stop
#ae6ab0
#a98000
#0099a6
#c69c34
#00b7c7
The generator opens with #ae6ab0 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.