Sumi palette
Overcast Prairie
Dark anchor, working middle, light release: #a22005, #cf543d, #ef7158, #f58973, #ffb2a1 form a tetradic sumi set with somewhere to stand at every lightness. Made for farmers-market stalls seen from across the parking lot. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#a22005
#cf543d
#ef7158
#f58973
#ffb2a1
The generator opens with #a22005 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.