Petrichor palette
Hyacinth Cottage
Dark anchor, working middle, light release: #004e54, #007983, #32949e, #56a2aa, #72bec7 form a tetradic petrichor set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#004e54
#007983
#32949e
#56a2aa
#72bec7
The generator opens with #004e54 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.