Sumi palette
Tranquil Fen
Dark anchor, working middle, light release: #c12b4e, #da4562, #009694, #fa637c, #00b5b3 form a tetradic sumi set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters.
redsumifive-stop
#c12b4e
#da4562
#009694
#fa637c
#00b5b3
The generator opens with #c12b4e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.