Petrichor palette
Frosty Dune
Dark anchor, working middle, light release: #6d6900, #999300, #b5af36, #c3bf60, #e0dc7d form a triadic 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.
yellowpetrichorfive-stop
#6d6900
#999300
#b5af36
#c3bf60
#e0dc7d
The generator opens with #6d6900 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.