Monochrome palette
Peachy Fen
From #00597f ink through #2983b1, #499fce, #68add6 to #84caf4 light, Peachy Fen is a 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
#00597f
#2983b1
#499fce
#68add6
#84caf4
The generator opens with #00597f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.