UV Protection (IMAGE) American Chemical Society Caption When choosing clothing to protect against the sun’s harmful ultraviolet rays, people should consider blue or red colors rather than yellow. A new study shows that these darker colors, when applied to cotton fabrics, tend to have better UV absorption. Credit Public-Domain-Photos.com, Jon Sullivan Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.