Petrichor palette
Indigo Courtyard
Dark anchor, working middle, light release: #005354, #007f80, #349a9b, #58a8a8, #75c4c4 form a monochromatic petrichor set with somewhere to stand at every lightness. Made for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#005354
#007f80
#349a9b
#58a8a8
#75c4c4
The generator opens with #005354 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.