Sumi palette
Autumn Pavilion
Five stops tuned to sit together without fighting — #822b1c ink anchors the set, #f2a291 opens it up, and #ad5746, #cb7260, #d48676 cross the middle in a tetradic arrangement. Autumn Pavilion suits hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#822b1c
#ad5746
#cb7260
#d48676
#f2a291
The generator opens with #822b1c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.