Acid palette
Indigo Inn
Dark anchor, working middle, light release: #004842, #00736b, #308e85, #529b93, #6eb7af form a triadic acid set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
tealacidfive-stophigh-contrast
#004842
#00736b
#308e85
#529b93
#6eb7af
The generator opens with #004842 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.