I have recently installed xenon kit in my car, 6000k. what do u mean by 6000k or 8000k?

i need to change rest of the light bulbs on my car as the xenons are blue in colour, i heard from many ppl bout xenons for fog lamp are they the same as the one i have installed in my headlamps or something different?I have recently installed xenon kit in my car, 6000k. what do u mean by 6000k or 8000k?The numbers refer to color temperature...the higher the number the %26quot;warmer%26quot; the color looks.