Sumi palette
Tranquil Pier
Dark anchor, working middle, light release: #811d01, #ad4c35, #cb674f, #d37d68, #f29982 form a analogous 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 as a text pair.
redsumifive-stophigh-contrast
#811d01
#ad4c35
#cb674f
#d37d68
#f29982
The generator opens with #811d01 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.