Sumi palette
Frosty Delta
Dark anchor, working middle, light release: #8d3239, #a4474c, #00787c, #c26265, #00969b 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
#8d3239
#a4474c
#00787c
#c26265
#00969b
The generator opens with #8d3239 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.