Monochrome palette
Lichen Gallery
From #006493 ink through #008fd0, #38abee, #62bbf4 to #9ad6ff light, Lichen Gallery is a split-complementary 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.
skymonochromefive-stop
#006493
#008fd0
#38abee
#62bbf4
#9ad6ff
The generator opens with #006493 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.