Sumi palette
Leaden Junction
Dark anchor, working middle, light release: #682900, #a34400, #c15f2a, #c9754b, #e79066 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 as a text pair.
orangesumifive-stophigh-contrast
#682900
#a34400
#c15f2a
#c9754b
#e79066
The generator opens with #682900 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.