Opera palette
Restful Boulevard
Dark anchor, working middle, light release: #004f6e, #0079a6, #3295c3, #57a3cb, #73c0e8 form a triadic opera set with somewhere to stand at every lightness. Made for music artwork with loud darks and a glowing accent. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#004f6e
#0079a6
#3295c3
#57a3cb
#73c0e8
The generator opens with #004f6e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.