Blue–green distinction in language being described. For example, "blue" and "green" might be distinguished, but a single term might be used for both if the color is dark. Furthermore, green might be associated with yellow, and blue with black or gray. According to Brent Berlin and Paul Kay's 1969 study "", distinct terms for brown, purple, pink, orange and grey will not emerge in a language until the language has made a distinction between green and blue. In their account of the development of color terms the first terms to emerge are those for white/black (or light/dark), red and green/yellow. The word for blue
Black and Yellow the Pittsburgh Pirates. In the year after it was released, "Black and Yellow" spawned dozens of remixes, parodies and remakes, both in the US and internationally, many of them made in tribute to a local sports team. At Super Bowl XLV in 2011, which featured the Steelers competing against the Green Bay Packers, the Steelers used "Black and Yellow" as their fight song, while the Packers used a remix by Lil' Wayne called "Green and Yellow", marking the first time both teams at the Super Bowl had used the same song. On the issue dated October 2, 2010, "Black and