Monochrome palette
Simmered Library
Five monochrome stops with room to breathe — #00557b grounds, #007fb5 and #349bd2 do the talking, #5aaad9 softens, #77c6f7 lifts. The analogous bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skymonochromefive-stop
#00557b
#007fb5
#349bd2
#5aaad9
#77c6f7
The generator opens with #00557b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.