Nordic palette
Cocoa Mesa
From #004f5e ink through #007a90, #3295ac, #57a3b6 to #73c0d3 light, Cocoa Mesa 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.
cyannordicfive-stop
#004f5e
#007a90
#3295ac
#57a3b6
#73c0d3
The generator opens with #004f5e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.