Sumi palette
Topaz Clearing
From #92283c ink through #a93e4f, #007877, #c85a68 to #009594 light, Topaz Clearing is a split-complementary progression that holds together at any size. Use it for event posters that compete with a wall of other posters.
redsumifive-stop
#92283c
#a93e4f
#007877
#c85a68
#009594
The generator opens with #92283c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.