Sumi palette
Denim Boulevard
Dark anchor, working middle, light release: #d1562c, #0086df, #00968e, #f17349, #00b5ac form a analogous sumi set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size.
orangesumifive-stop
#d1562c
#0086df
#00968e
#f17349
#00b5ac
The generator opens with #d1562c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.