Sumi palette
Linen Moor
Dark anchor, working middle, light release: #9b2936, #b34049, #007d81, #d25c62, #009aa0 form a tetradic sumi set with somewhere to stand at every lightness. Made for tea packaging where the flavor color does the talking.
redsumifive-stop
#9b2936
#b34049
#007d81
#d25c62
#009aa0
The generator opens with #9b2936 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.