Industrial palette
Fern Reef
Fern Reef runs #004b57 through #007687, #3191a3, #549fae to #71bbca in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for podcast cover art at sixty pixels square. The darkest and lightest stops clear AA as a text pair.
cyanindustrialfive-stophigh-contrast
#004b57
#007687
#3191a3
#549fae
#71bbca
The generator opens with #004b57 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.