Sumi palette
Walnut Harbor
Five sumi stops with room to breathe — #910052 grounds, #c4387a and #e45695 do the talking, #eb72a4 softens, #ff98bf lifts. The tetradic bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
pinksumifive-stophigh-contrast
#910052
#c4387a
#e45695
#eb72a4
#ff98bf
The generator opens with #910052 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.