Monochrome palette
Rainy Library
A quiet five-stop monochrome arc with a confident middle — #004c6b carries the weight and #72bce5 carries the air, with #0076a3, #3291c0 and #55a0c8 bridging in complementary formation. Built for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skymonochromefive-stop
#004c6b
#0076a3
#3291c0
#55a0c8
#72bce5
The generator opens with #004c6b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.