Sumi palette
Olive Gallery
Five stops tuned to sit together without fighting — #b62975 ink anchors the set, #878e00 opens it up, and #0075a0, #6d7200, #d54990 cross the middle in a analogous arrangement. Olive Gallery suits book covers that read at thumbnail size.
pinksumifive-stop
#b62975
#0075a0
#6d7200
#d54990
#878e00
The generator opens with #b62975 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.