Acid palette
Mossy Shrine
Dark anchor, working middle, light release: #004856, #007287, #308da3, #539bad, #6fb7ca form a tetradic acid set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
cyanacidfive-stophigh-contrast
#004856
#007287
#308da3
#539bad
#6fb7ca
The generator opens with #004856 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.