Sumi palette
Primrose Fen
Five sumi stops with room to breathe — #b51237 grounds, #ce334a and #00878b do the talking, #ee5364 softens, #00a5aa lifts. The tetradic bones keep it coherent across hotel key cards and lobby signage in one system.
redsumifive-stop
#b51237
#ce334a
#00878b
#ee5364
#00a5aa
The generator opens with #b51237 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.