Opera palette
Moonlit Fen
Moonlit Fen runs #004f75 through #0079b0, #3295cd, #57a3d4 to #74c0f2 in five measured steps, the analogous structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#004f75
#0079b0
#3295cd
#57a3d4
#74c0f2
The generator opens with #004f75 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.