Monochrome palette
Hyacinth Canyon
Five monochrome stops with room to breathe — #006d7e grounds, #1f99af and #46b5cc do the talking, #6cc3d6 softens, #89e1f4 lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanmonochromefive-stop
#006d7e
#1f99af
#46b5cc
#6cc3d6
#89e1f4
The generator opens with #006d7e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.