Retro palette
Oat Bookshop
Five retro stops with room to breathe — #5c5ca1 grounds, #8b5900 and #00718b do the talking, #a7732b softens, #088dad lifts. The triadic bones keep it coherent across event posters that compete with a wall of other posters.
orangeretrofive-stop
#5c5ca1
#8b5900
#00718b
#a7732b
#088dad
The generator opens with #5c5ca1 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.