Opera palette
Sooty Beacon
Sooty Beacon runs #004470 through #006cad, #2f87ca, #5197d0 to #6db3ee in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#004470
#006cad
#2f87ca
#5197d0
#6db3ee
The generator opens with #004470 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.