Opera palette
Oat Gazebo
Five opera stops with room to breathe — #00507b grounds, #0079b7 and #3295d5 do the talking, #57a4db softens, #74c1f9 lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#00507b
#0079b7
#3295d5
#57a4db
#74c1f9
The generator opens with #00507b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.