Opera palette
Brisk Crater
Dark anchor, working middle, light release: #006e9a, #009ad6, #3bb7f4, #67c6fa, #aadfff form a analogous opera set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanoperafive-stop
#006e9a
#009ad6
#3bb7f4
#67c6fa
#aadfff
The generator opens with #006e9a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.