Retro palette
Chiffon Pavilion
Dark anchor, working middle, light release: #b83314, #4d5acb, #007e44, #d85134, #009d56 form a tetradic retro set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size.
skyretrofive-stop
#b83314
#4d5acb
#007e44
#d85134
#009d56
The generator opens with #b83314 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.