Jewel palette
Cocoa Saloon
From #9c0055 ink through #b52669, #007b69, #d54783 to #009983 light, Cocoa Saloon is a split-complementary progression that holds together at any size. Use it for book covers that read at thumbnail size.
pinkjewelfive-stop
#9c0055
#b52669
#007b69
#d54783
#009983
The generator opens with #9c0055 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.