Sumi palette
Sienna Reef
From #86384d ink through #b16275, #cf7d90, #d891a0 to #f7adbd light, Sienna Reef is a analogous 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.
redsumifive-stop
#86384d
#b16275
#cf7d90
#d891a0
#f7adbd
The generator opens with #86384d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.