Sumi palette
Leaden Lane
From #9a1a1e ink through #b23432, #007580, #d1524c to #0093a0 light, Leaden Lane is a tetradic progression that holds together at any size. Use it for music artwork with loud darks and a glowing accent.
redsumifive-stop
#9a1a1e
#b23432
#007580
#d1524c
#0093a0
The generator opens with #9a1a1e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.