Opera palette
Marigold Plaza
From #004366 ink through #006ba0, #2f86bd, #5095c4 to #6cb1e2 light, Marigold Plaza is a split-complementary progression that holds together at any size. Use it for wellness apps where the interface must feel calm, not clinical. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#004366
#006ba0
#2f86bd
#5095c4
#6cb1e2
The generator opens with #004366 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.