Opera palette
River Reef
Five stops tuned to sit together without fighting — #bd6c59 ink anchors the set, #3db6a8 opens it up, and #468cc1, #0a9a8d, #db8773 cross the middle in a tetradic arrangement. River Reef suits book covers that read at thumbnail size.
skyoperafive-stop
#bd6c59
#468cc1
#0a9a8d
#db8773
#3db6a8
The generator opens with #bd6c59 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.