Monochrome palette
Mustard Foundry
From #901e51 ink through #a83665, #007867, #c7527f to #009682 light, Mustard Foundry is a complementary progression that holds together at any size. Use it for book covers that read at thumbnail size.
pinkmonochromefive-stop
#901e51
#a83665
#007867
#c7527f
#009682
The generator opens with #901e51 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.