Sumi palette
Butter Brook
From #c251a7 ink through #d54a6f, #d65226, #e16dc4 to #f5678a light, Butter Brook is a monochromatic progression that holds together at any size. Use it for event posters that compete with a wall of other posters.
magentasumifive-stop
#c251a7
#d54a6f
#d65226
#e16dc4
#f5678a
The generator opens with #c251a7 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.