Color is the characteristic feature  of human related to vision comes through various categories of colors, with names such as red, blue, yellow, green, orange, or purple. This perception originates from the stimulation of cone cells in the human eye by electromagnetic radiation in the spectrum of light. These physical characteristics are combined with objects through the wavelength of the light that is reflected from them. This is monitored by the object's physical properties such as light absorption and emission spectra. Some are derived from the name of an object.