Retro palette
Burnished Crater
Five retro stops with room to breathe — #4c3e00 grounds, #796400 and #947f2b do the talking, #a08e4c softens, #bcaa68 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 as a text pair.
amberretrofive-stophigh-contrast
#4c3e00
#796400
#947f2b
#a08e4c
#bcaa68
The generator opens with #4c3e00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.