Opera palette
Lunar Crater
Dark anchor, working middle, light release: #005e8b, #0089c7, #37a5e5, #5fb4eb, #8bd0ff form a tetradic opera set with somewhere to stand at every lightness. Made for indie game interfaces with a strong day-night rhythm. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#005e8b
#0089c7
#37a5e5
#5fb4eb
#8bd0ff
The generator opens with #005e8b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.