Color measuring device

The invention relates to a color measuring apparatus. In a configuration in which an optical system and a battery pack for color measurement are arranged in the longitudinal direction of a device, the device is easily enlarged, and particularly, if the capacity of a battery is increased, the device is unavoidably enlarged in the longitudinal direction, and the operability of the device is reduced. The color measurement device is provided with: an opening part forming member which is a member having an opening part for taking light arriving from a measurement object into the interior of the device, and which is disposed on the bottom surface of the device during measurement; an opening part for taking light arriving from a measurement object into the device; an incident light processing unit for processing light incident through the opening; and a battery that supplies power to the incident light processing unit, the incident light processing unit and the battery having a portion that overlaps each other when