Opera palette
Walnut Abbey
From #00466f ink through #096eaa, #3389c7, #5498ce to #70b5ec light, Walnut Abbey is a monochromatic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#00466f
#096eaa
#3389c7
#5498ce
#70b5ec
The generator opens with #00466f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.