Petrichor palette
Mustard Ridge
Dark anchor, working middle, light release: #00595e, #00858d, #35a1a9, #5baeb5, #78cbd1 form a tetradic petrichor set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#00595e
#00858d
#35a1a9
#5baeb5
#78cbd1
The generator opens with #00595e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.