Petrichor palette
Opal Granary
From #005458 ink through #008086, #349ca1, #59a9ae to #76c5ca light, Opal Granary 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
#005458
#008086
#349ca1
#59a9ae
#76c5ca
The generator opens with #005458 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.