Sumi palette
Sunset Kiln
From #772800 ink through #ae491d, #cc653b, #d47b58 to #f39673 light, Sunset Kiln 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 as a text pair.
orangesumifive-stophigh-contrast
#772800
#ae491d
#cc653b
#d47b58
#f39673
The generator opens with #772800 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.