Petrichor palette
Soft Cellar
From #005053 ink through #007c80, #33979b, #57a5a8 to #73c1c4 light, Soft Cellar is a analogous progression that holds together at any size. Use it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#005053
#007c80
#33979b
#57a5a8
#73c1c4
The generator opens with #005053 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.