Sumi palette
Kelp Library
Dark anchor, working middle, light release: #9a4b76, #a34a50, #9f5225, #b76591, #c16569 form a tetradic sumi set with somewhere to stand at every lightness. Made for music artwork with loud darks and a glowing accent.
redsumifive-stop
#9a4b76
#a34a50
#9f5225
#b76591
#c16569
The generator opens with #9a4b76 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.