1. A method for generating a profile used to convert a color of a first color reproduction range into a color of a second color reproduction range, the method comprising: dividing each of the first and second color reproduction ranges into a plurality of regions; performing color space conversion for individual regions in accordance with color space definitions unique to the individual regions; and generating a profile used to convert the color of the first color reproduction range into the color of the second color reproduction range based on color coordinates obtained through the color space conversion performed for individual regions.