Petrichor palette
Grassy Abbey
From #005864 ink through #008495, #35a0b1, #5badbc to #78cad9 light, Grassy Abbey is a tetradic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#005864
#008495
#35a0b1
#5badbc
#78cad9
The generator opens with #005864 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.