A color identifying system, a color identifying method and a display device are provided. The color identifying system comprises an image acquiring unit, a color analyzing unit and an information output unit; the image acquiring unit is configured to acquire an image of an object to be identified; the color analyzing unit is configured to extract profiles of the pattern regions of the object to be identified, and analyze colors of the pattern regions, to determine overall color information of the object to be identified; and the information output unit is configured to output the overall color information of the object to be identified. The color identifying system can help a color vision defective person to identify color of an object, which is greatly convenient to production and life of the color vision defective person, and thus significantly improving quality of life of the color vision defective person.