Opera palette
Sumac Mill
From #004d6c ink through #0077a4, #3292c1, #56a1c9 to #72bde6 light, Sumac Mill is a analogous 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
#004d6c
#0077a4
#3292c1
#56a1c9
#72bde6
The generator opens with #004d6c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.