Sumi palette
Quiet Beacon
Five sumi stops with room to breathe — #a12614 grounds, #b93e2b and #007c8d do the talking, #d85b46 softens, #0099ae lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size.
redsumifive-stop
#a12614
#b93e2b
#007c8d
#d85b46
#0099ae
The generator opens with #a12614 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.