noblity HARLEQUIN quaternary 40FF00;64,255,0 nobilitynounno·bil·i·ty | \ nō-ˈbi-lə-tē \Definition of nobility1: the quality or state of being noble in character, quality, or rank2: the body of persons forming the noble class in a country or state: ARISTOCRACY Each color has a corresponding gemstone that is correlative to its philosophical meaning and metaphysical purpose.