Sumi palette
Copper Beacon
Copper Beacon runs #7b1e00 through #b24020, #d15c3d, #d87459 to #f79074 in five measured steps, the triadic structure keeping every neighbor honest. Reach for it for music artwork with loud darks and a glowing accent. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#7b1e00
#b24020
#d15c3d
#d87459
#f79074
The generator opens with #7b1e00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.