A color calibrator used to correct the display color of a display device is provided. The color calibrator includes a color correction module, a cover and a combiner. The color correction module includes a color correction unit for correcting the display color. The cover is connected to the color correction module to selectively expose or cover the color correction unit. The combiner is disposed on the cover, and the combiner is connected to the display device when the cover exposes the color correction unit.