Provide great contrast among colors: Great choice for any bathrooms,kitchens and basements. Long-Lasting Performance:Each bulb offers a lifespan of 20,000+ hours. Instant Brightness: Each bulb in this pack provides light for full brightness in an instant. Warm white can provide a warm ambiance that mimics traditional incandescent bulbs. These are the most common color and likely to please everyone. Rooms that you relax in or entertain in look best with warmer light. (3000K).