Petrichor palette
Crimson Archive
Crimson Archive runs #006d77 through #009aa9, #3bb6c6, #65c4d1 to #83e1ee in five measured steps, the monochromatic structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#006d77
#009aa9
#3bb6c6
#65c4d1
#83e1ee
The generator opens with #006d77 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.