Sumi palette
Pumice Oasis
From #7d330b ink through #a85d3c, #c67856, #cf8b6f to #eda78a light, Pumice Oasis is a split-complementary 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.
orangesumifive-stop
#7d330b
#a85d3c
#c67856
#cf8b6f
#eda78a
The generator opens with #7d330b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.