Petrichor palette
Cobalt Harbor
Cobalt Harbor runs #005f66 through #008c96, #37a8b2, #5fb5be to #7cd2db in five measured steps, the analogous structure keeping every neighbor honest. Reach for it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#005f66
#008c96
#37a8b2
#5fb5be
#7cd2db
The generator opens with #005f66 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.