Opera palette
Sienna Archive
Dark anchor, working middle, light release: #00487b, #0070bb, #308cd9, #539bde, #6fb8fc form a analogous opera set with somewhere to stand at every lightness. Made for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#00487b
#0070bb
#308cd9
#539bde
#6fb8fc
The generator opens with #00487b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.