Glow-in-the-dark Pigments (IMAGE) University of Georgia Caption The glow-in-the-dark pigments emit light in any color of the visible spectrum for nearly a day. Credit University of Georgia 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.