Nautical palette
Perennial Brook
Perennial Brook runs #006f76 through #009da6, #3bb9c2, #66c7ce to #84e4ec in five measured steps, the tetradic 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.
cyannauticalfive-stop
#006f76
#009da6
#3bb9c2
#66c7ce
#84e4ec
The generator opens with #006f76 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.