Sumi palette
Dusky Patio
Dark anchor, working middle, light release: #863100, #bf511b, #de6d3b, #e5845c, #ffa37e form a tetradic sumi set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#863100
#bf511b
#de6d3b
#e5845c
#ffa37e
The generator opens with #863100 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.