Opera palette
Ochre Grove
Dark anchor, working middle, light release: #005687, #0080c5, #349ce3, #5babe8, #82c8ff form a tetradic opera set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#005687
#0080c5
#349ce3
#5babe8
#82c8ff
The generator opens with #005687 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.