Sumi palette
Maritime Lagoon
From #9f3755 ink through #b74c69, #00887e, #d66783 to #00a79b light, Maritime Lagoon is a tetradic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system.
pinksumifive-stop
#9f3755
#b74c69
#00887e
#d66783
#00a79b
The generator opens with #9f3755 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.