Sumi palette
Autumn Foundry
Five sumi stops with room to breathe — #894115 grounds, #b46b45 and #d28660 do the talking, #db9979 softens, #f9b694 lifts. The monochromatic bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#894115
#b46b45
#d28660
#db9979
#f9b694
The generator opens with #894115 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.