Retro palette
Soft Hollow
From #991231 ink through #b12f44, #007577, #d04d5d to #009395 light, Soft Hollow 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
#991231
#b12f44
#007577
#d04d5d
#009395
The generator opens with #991231 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.