Sumi palette
Leaden Hollow
From #a25ec9 ink through #d0561d, #008fb1, #599400 to #f0733e light, Leaden Hollow is a triadic progression that holds together at any size. Use it for event posters that compete with a wall of other posters.
violetsumifive-stop
#a25ec9
#d0561d
#008fb1
#599400
#f0733e
The generator opens with #a25ec9 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.