Opera palette
Perennial Harbor
Perennial Harbor runs #ab3609 through #5154bc, #007748, #ca532e to #00965c in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size.
blueoperafive-stop
#ab3609
#5154bc
#007748
#ca532e
#00965c
The generator opens with #ab3609 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.