Opera palette
Brisk Estuary
From #004666 ink through #006f9f, #308abc, #5299c3 to #6eb5e1 light, Brisk Estuary is a analogous progression that holds together at any size. Use it for yoga studio schedules pinned to a corkboard. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#004666
#006f9f
#308abc
#5299c3
#6eb5e1
The generator opens with #004666 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.