Sumi palette
Stone Library
From #903356 ink through #bc5f7e, #da7a99, #e390a9 to #ffaec6 light, Stone Library is a monochromatic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
pinksumifive-stop
#903356
#bc5f7e
#da7a99
#e390a9
#ffaec6
The generator opens with #903356 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.