Opera palette
Bitter Patio
Dark anchor, working middle, light release: #004c6a, #0076a1, #3291be, #55a0c6, #72bce3 form a analogous 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
#004c6a
#0076a1
#3291be
#55a0c6
#72bce3
The generator opens with #004c6a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.