NSColorPanel.Mode.gray The grayscale-alpha color mode. Declarationcase gray See AlsoColor Panel ModesNSColorPanel.Mode.noneNSColorPanel.Mode.RGBNSColorPanel.Mode.CMYKNSColorPanel.Mode.HSBNSColorPanel.Mode.customPaletteNSColorPanel.Mode.colorListNSColorPanel.Mode.wheelNSColorPanel.Mode.crayon