Retro palette
Gleaming Square
Five retro stops with room to breathe — #82373d grounds, #984b50 and #007577 do the talking, #b56569 softens, #009295 lifts. The monochromatic bones keep it coherent across event posters that compete with a wall of other posters.
redretrofive-stop
#82373d
#984b50
#007577
#b56569
#009295
The generator opens with #82373d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.