Retro palette
Dappled Cottage
Five retro stops with room to breathe — #c5331d grounds, #0077b3 and #008274 do the talking, #e5533b softens, #00a18f lifts. The complementary bones keep it coherent across event posters that compete with a wall of other posters.
redretrofive-stop
#c5331d
#0077b3
#008274
#e5533b
#00a18f
The generator opens with #c5331d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.