Opera palette
Cumin Harbor
From #006388 ink through #008ec2, #38aae0, #61b9e7 to #88d5ff light, Cumin Harbor is a monochromatic 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.
cyanoperafive-stop
#006388
#008ec2
#38aae0
#61b9e7
#88d5ff
The generator opens with #006388 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.