Industrial palette
Tranquil Hollow
Dark anchor, working middle, light release: #00505a, #007b8a, #3396a6, #57a4b1, #73c0ce form a analogous industrial set with somewhere to stand at every lightness. Made for podcast cover art at sixty pixels square. The darkest and lightest stops clear AA for large text.
cyanindustrialfive-stop
#00505a
#007b8a
#3396a6
#57a4b1
#73c0ce
The generator opens with #00505a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.