The temperature is a light bulb has a color temperature that is measured in KELVINS (K). The lower numbers below 5,000K are warmer colors and the higher numbers are cooler colors. Anywhere The color temperature that you choose can have a large effect on the overall color of the room. Warm light sources, such as incandescent bulbs, have a low color temperature (2200-3000K) and feature more light in the red/ orange/ yellow range. When you think of a warm color temperature, think of the warm, inviting light of a fire in the fireplace or a nice high-end restaurant with...