Retro palette
Crimson Grove
From #c03826 ink through #0076b1, #008172, #e05642 to #00a08d light, Crimson Grove is a tetradic progression that holds together at any size. Use it for event posters that compete with a wall of other posters.
redretrofive-stop
#c03826
#0076b1
#008172
#e05642
#00a08d
The generator opens with #c03826 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.