You could use 2700K warm white, 3000K soft white, 3500K natural white, 4000K cool white, or 5000K daylight until you find the adjustable color that fits your space just right. Don't feel restricted in your decision to pick just 1 color, adjust between 5 choices at any time. Only 1. Sunperian - based in the USA - was founded with a single mission in mind: provide energy efficient lighting products and environment friendly solutions to meet your daily needs.