NBC employees change Nebraska to red in the electoral map of the United States in 2008. All the TV news operations, including NBC News, settled on red for Republicans and blue for Democrats in 2000. Mary Altaffer/AP hide caption

itoggle caption Mary Altaffer/AP

Phil Stanton (from left), Chris Wink and Matt Goldman are the founders of the theatrical performance troupe Blue Man Group. Jemal Countess/Getty Images hide caption

itoggle caption Jemal Countess/Getty Images

This is a re-creation of a color plate from Interaction of Color, by Josef Albers. The two X's are are exactly the same — it's the different backgrounds that make them look like very different colors. Source: Josef Albers Interaction of Color hide caption

itoggle caption Source: Josef Albers Interaction of Color

An employee at a frozen foods company in eastern Germany checks carrots for quality. Michael Urban/AFP/Getty Images hide caption

itoggle caption Michael Urban/AFP/Getty Images

Photographer JeongMee Yoon felt her daughter's life was being overtaken by pink. She illustrated that in her 2006 portrait Seo Woo and Her Pink Things. JeongMee Yoon/Museum of Fine Arts, Boston and Jenkins Johnson Gallery hide caption

itoggle caption JeongMee Yoon/Museum of Fine Arts, Boston and Jenkins Johnson Gallery

A painter touches up one of the bridge's cables. When it came time to decide the paint color for the bridge, consulting architect Irving Morrow wanted a warm hue to contrast with the cool grays, blues and greens of San Francisco Bay. Courtesy of goldengatebridge.org hide caption

itoggle caption Courtesy of goldengatebridge.org

Maggy Rozycki Hiltner's Hothouse Flowers, made of found fabrics, is one of many works on display in the Textile Museum's Green: The Color and the Cause exhibit in Washington, D.C. Click here to see the full textile. Virginia Spragg/ hide caption

itoggle caption Virginia Spragg/