Opera palette
Fennel Mill
From #006891 ink through #0094cc, #39b1ea, #64bff1 to #9adaff light, Fennel Mill is a split-complementary progression that holds together at any size. Use it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA for large text.
cyanoperafive-stop
#006891
#0094cc
#39b1ea
#64bff1
#9adaff
The generator opens with #006891 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.