Sumi palette
Yuzu Courtyard
Dark anchor, working middle, light release: #9a3700, #ca6135, #e97d51, #f0936e, #ffb89d form a monochromatic sumi set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#9a3700
#ca6135
#e97d51
#f0936e
#ffb89d
The generator opens with #9a3700 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.