The disclosure relates to devices, systems, and methods for adjusting and/or maintaining color temperature levels of luminaires. The luminaires may be Light Emitting Diode (LED)-based luminaires which are part of a smart illumination system. In certain exemplary embodiments, the disclosure includes a smart gateway device which is configured to control operation of a luminaire and is connected to a server, such as cloud server, over wired and/or wireless communication channels. The exemplary devices, systems, and methods adjust and maintain a color temperature of the luminaire according to desired or required specifications.