Petrichor palette
Olive Archive
Dark anchor, working middle, light release: #006175, #008da9, #38a9c6, #60b7cf, #7dd4ed form a tetradic petrichor set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#006175
#008da9
#38a9c6
#60b7cf
#7dd4ed
The generator opens with #006175 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.