Opera palette
Torrid Dock
Dark anchor, working middle, light release: #00537f, #377cab, #5397c8, #6ea6d0, #8ac3ee form a split-complementary opera set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#00537f
#377cab
#5397c8
#6ea6d0
#8ac3ee
The generator opens with #00537f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.