Retro palette
Rosy Fen
From #8a5289 ink through #846500, #007884, #9f802c to #0095a5 light, Rosy Fen is a analogous progression that holds together at any size. Use it for event posters that compete with a wall of other posters.
amberretrofive-stop
#8a5289
#846500
#007884
#9f802c
#0095a5
The generator opens with #8a5289 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.