Industrial palette
Ashen Cottage
Dark anchor, working middle, light release: #005f66, #008c96, #37a8b2, #5fb5be, #7cd2db form a split-complementary industrial set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanindustrialfive-stop
#005f66
#008c96
#37a8b2
#5fb5be
#7cd2db
The generator opens with #005f66 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.