Sumi palette
Indigo Dune
Dark anchor, working middle, light release: #8a3026, #b65c4f, #d47769, #dd8c7f, #fba89a form a tetradic sumi set with somewhere to stand at every lightness. Made for music artwork with loud darks and a glowing accent. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#8a3026
#b65c4f
#d47769
#dd8c7f
#fba89a
The generator opens with #8a3026 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.