Systems, methods, and modes for commissioning of a building control system comprising at least one controller and a plurality of electronic devices installed in a building and comprising at least one light source adapted to illuminate light of a plurality of colors. The at least one controller is adapted to iteratively divide a selected number of the plurality of electronic devices into groups of electronic devices and command each group of electronic devices to illuminate a different color, receive an identification of an illuminated color of an electronic device to be commissioned, and select electronic devices belonging to a group commanded to illuminate a color that matches the identified illuminated color until the electronic device to be commissioned is identified.