Sumi palette
Melon Gazebo
From #902433 ink through #a73b46, #007477, #c6575f to #009295 light, Melon Gazebo is a monochromatic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system.
redsumifive-stop
#902433
#a73b46
#007477
#c6575f
#009295
The generator opens with #902433 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.