Opera palette
Midnight Cabin
Dark anchor, working middle, light release: #004561, #006e98, #2f89b4, #5197bd, #6eb4da form a split-complementary opera set with somewhere to stand at every lightness. Made for bakery boxes stamped with a single ink color. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#004561
#006e98
#2f89b4
#5197bd
#6eb4da
The generator opens with #004561 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.