Sumi palette
Leaden Outpost
Five stops tuned to sit together without fighting — #be3476 ink anchors the set, #00bd9f opens it up, and #d74c8b, #009d84, #f769a7 cross the middle in a split-complementary arrangement. Leaden Outpost suits book covers that read at thumbnail size.
pinksumifive-stop
#be3476
#d74c8b
#009d84
#f769a7
#00bd9f
The generator opens with #be3476 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.