Opera palette
Harvest Cove
From #006692 ink through #2a91c6, #4cade4, #6ebceb to #99d8ff light, Harvest Cove is a tetradic progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#006692
#2a91c6
#4cade4
#6ebceb
#99d8ff
The generator opens with #006692 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.