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The article discusses the issue of color perception concerned with the light-emitting diodes (LEDs) lights. Topics discussed include issue of metamerism concerned with the LEDs, less consumption of energy by LEDs according to the U.S. Department of Energy, installation of LED lights at the store by AllSports; and presents views of Andrew Mackinnon, principal at Gabriel Mackinnon Lighting Design, on designing of fabrics with optical brighteners by the textile industries of the U.S.