1. A color correction data acquiring system comprising: an analysis unit that generates a difference image representing a difference between an input image that is to be recorded on a recording medium and a low-frequency image obtained by removing a high-frequency component from the input image in a frequency domain; and an area setting unit that sets an area where a pixel value difference is equal to or less than a predetermined value in the difference image, wherein the color correction data acquiring system acquires color correction data based on a pair of the area of difference image and an image portion of a read image corresponding to the area, and the read image is an electronic image that is generated by reading the recording medium on which the input image is recorded.