Opera palette
Copper Cellar
Copper Cellar runs #00496e through #0072a9, #308dc6, #549ccd to #70b9eb in five measured steps, the analogous structure keeping every neighbor honest. Reach for it for music artwork with loud darks and a glowing accent. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#00496e
#0072a9
#308dc6
#549ccd
#70b9eb
The generator opens with #00496e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.