Opera palette
Tumbleweed Beacon
Tumbleweed Beacon runs #004a67 through #00749e, #318fbb, #549ec3 to #71bae0 in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#004a67
#00749e
#318fbb
#549ec3
#71bae0
The generator opens with #004a67 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.