Opera palette
Kelp Parlor
Dark anchor, working middle, light release: #006090, #008bcd, #37a7eb, #60b7f1, #93d2ff form a triadic opera set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#006090
#008bcd
#37a7eb
#60b7f1
#93d2ff
The generator opens with #006090 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.