Color management method, color management apparatus and storage medium

A color management method that is performed by a color management apparatus that performs color management based on data of a sheet on which printing has been performed by an image former and that has been read by a reader including a colorimeter and a scanner and disposed on a conveyance path of the sheet, the color management method comprising:

• in response to receiving a setting of a first operation mode in which the colorimeter moves a first width in a sheet width direction and reads all or at least one of a plurality of patches arranged in the sheet width direction, performing the color management based on the data read in the first operation mode;
• and
• in response to receiving a setting of a second operation mode in which the colorimeter stops or moves a second width smaller than the first width in the sheet width direction and the scanner reads all or at least one of the plurality of patches arranged in the sheet width direction, performing the color management based on the data read in the second operation mode.