A mixture and combination of different lighting is good for the different rooms of a home. Warm white lights are around 2000K to 3000K and are great for living rooms. Warm lights in general are thebest for homes. White light which is around 3100K to 4500K which is great for kitchens and your study room. Cool Lights or Blue Light is around 5000K which gives off a very clean look that is perfect for bedrooms.