Opera palette
River Crater
From #0066aa ink through #3591dd, #54aefc, #76bdff to #b1d9ff light, River Crater is a monochromatic progression that holds together at any size. Use it for music artwork with loud darks and a glowing accent. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#0066aa
#3591dd
#54aefc
#76bdff
#b1d9ff
The generator opens with #0066aa as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.