HID lights have its original name from the intense white light produced by the electrical discharge. HID stands for High Intensity Discharge. It is a lighting technology based on an electrical charge to ignite xenon gas contained in a sealed bulb. HID kit technology is similar to that of common vapor-filled street lamps. HID lightning creates light by igniting an arc between two electrodes. These lamps also called xenon lamps, because they are fulfilled with the xenon gas. HID Color temperature refers to the degrees (K), for example golden yellow (3000k), white (5000k), blue (6000k) to name a few. Degrees (K) refer only to the color, while lumen refers to the lighting intensity. So the higher the color temperature (K) doesn't mean a higher light intensity (lumen). Bluish or white light is comfortable and close to the natural light. The recommended types of bulb are 4300k-8000k, because they are extremely bright and don't blind the oncoming drivers.The color of the bulb is determined by the temperature. The low bulb's temperature (4300-4800K) emits the white and bright light. As the temperature increases, the color changes as well. This spectrum of illumination is depicted in the Kelvin Color Temperature Chart (6000k- light blue color, 8000k- a deeper blue, 10000k purple, 12000k - violet purple). As HID kits come in a variety of colors, you can change and freshen your vehicle's appearance in minutes. The easy installation process requires no cutting or drilling.