To suppress a consumption amount of consumption articles with generation of a profile.

An image showing a basic chart where patches of a plurality of colors are arranged so that the plurality of patches of the same color exist in all rows and columns is formed by a printer, and colorimetry values of the respective patches in the formed image are acquired (S101 to S106). A weak color is extracted based on the acquired colorimetry values (S107). The image showing a profile generation chart where the number of patches in the same color differs is formed by the printer with the extracted weak color and a color except for the weak color, and the colorimetry values of the respective patches in the formed image are acquired (S201 to S206). A profile on which an image forming characteristic of the printer is reflected is generated based on the acquired colorimetry value (S207).