Sumi palette
Sooty Loft
Five sumi stops with room to breathe — #9b2d00 grounds, #cd5833 and #ec744f do the talking, #f38c6c softens, #ffb39c 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.
redsumifive-stop
#9b2d00
#cd5833
#ec744f
#f38c6c
#ffb39c
The generator opens with #9b2d00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.