Sumi palette
Cinder Square
From #9c3349 ink through #b4495c, #008380, #d36576 to #00a19e light, Cinder Square is a split-complementary progression that holds together at any size. Use it for restaurant branding that works on signage and receipts alike.
redsumifive-stop
#9c3349
#b4495c
#008380
#d36576
#00a19e
The generator opens with #9c3349 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.