Monochrome palette
Spruce Archive
From #9d2d72 ink through #b54487, #008a66, #d460a3 to #00a97e light, Spruce Archive is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
magentamonochromefive-stop
#9d2d72
#b54487
#008a66
#d460a3
#00a97e
The generator opens with #9d2d72 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.