Opera palette
Grassy Saloon
Dark anchor, working middle, light release: #004868, #0071a0, #308cbd, #539bc4, #6fb7e2 form a tetradic 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
#004868
#0071a0
#308cbd
#539bc4
#6fb7e2
The generator opens with #004868 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.