Sumi palette
Sienna Courtyard
Dark anchor, working middle, light release: #9a1e00, #c95037, #e86c52, #ef856d, #ffaa97 form a analogous sumi set with somewhere to stand at every lightness. Made for flower-shop wraps and delivery van livery together. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#9a1e00
#c95037
#e86c52
#ef856d
#ffaa97
The generator opens with #9a1e00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.