Sumi palette
Fern Archive
Five sumi stops with room to breathe — #993a05 grounds, #c5673f and #e4835a do the talking, #ec9876 softens, #ffba9e lifts. The tetradic bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#993a05
#c5673f
#e4835a
#ec9876
#ffba9e
The generator opens with #993a05 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.