Acid palette
Copper Heath
Five stops tuned to sit together without fighting — #8f5045 ink anchors the set, #308c9b opens it up, and #6c588e, #5d6b2e, #007180 cross the middle in a tetradic arrangement. Copper Heath suits event posters that compete with a wall of other posters.
cyanacidfive-stop
#8f5045
#6c588e
#5d6b2e
#007180
#308c9b
The generator opens with #8f5045 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.