Opera palette
Fawn Harbor
From #b25200 ink through #725fc0, #008668, #d06e2d to #00a480 light, Fawn Harbor is a tetradic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system.
blueoperafive-stop
#b25200
#725fc0
#008668
#d06e2d
#00a480
The generator opens with #b25200 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.