Opera palette
Russet Cabin
From #006aa6 ink through #3995d7, #58b2f5, #78c1fb to #b1dcff light, Russet Cabin is a monochromatic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#006aa6
#3995d7
#58b2f5
#78c1fb
#b1dcff
The generator opens with #006aa6 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.