Sumi palette
Fern Atelier
From #aa374d ink through #a94000, #8b5a00, #c95366 to #c85c2a light, Fern Atelier is a triadic progression that holds together at any size. Use it for flower-shop wraps and delivery van livery together.
redsumifive-stop
#aa374d
#a94000
#8b5a00
#c95366
#c85c2a
The generator opens with #aa374d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.