Opera palette
Vernal Square
From #004575 ink through #006db4, #2f89d2, #5298d7 to #6eb5f5 light, Vernal Square is a split-complementary progression that holds together at any size. Use it for coffee bags and cafe menus that need appetite on crowded shelves. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#004575
#006db4
#2f89d2
#5298d7
#6eb5f5
The generator opens with #004575 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.