Opera palette
Cinder Square
From #90144f ink through #a82f62, #007565, #c74c7c to #009380 light, Cinder Square is a monochromatic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system.
pinkoperafive-stop
#90144f
#a82f62
#007565
#c74c7c
#009380
The generator opens with #90144f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.