Retro palette
Lantern Ridge
Five retro stops with room to breathe — #524200 grounds, #7f680c and #9a8331 do the talking, #a69251 softens, #c3ae6d lifts. The analogous 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.
amberretrofive-stop
#524200
#7f680c
#9a8331
#a69251
#c3ae6d
The generator opens with #524200 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.