Monochrome palette
Vernal Gallery
Vernal Gallery runs #006672 through #0093a4, #39afc0, #62bdcb to #80dae9 in five measured steps, the analogous structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanmonochromefive-stop
#006672
#0093a4
#39afc0
#62bdcb
#80dae9
The generator opens with #006672 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.