Sumi palette
Poppy Square
From #9c1c60 ink through #b43674, #00816a, #d3538f to #009f83 light, Poppy Square is a tetradic progression that holds together at any size. Use it for flower-shop wraps and delivery van livery together.
pinksumifive-stop
#9c1c60
#b43674
#00816a
#d3538f
#009f83
The generator opens with #9c1c60 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.