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
Of the Blue Colour of the Sky in producer Dave Fridmann's Tarbox Road Studios, a converted Amish barn in Cassadaga, New York, through May the following year. Bassist Tim Nordwind described the process of the studio sessions as a midpoint between the slick production work done on "OK Go" and the emphasis on live takes with the recording of "Oh No". "Of the Blue Colour of the Sky"'s accompanying booklet presents the album as a concept based on an unnamed passage from "The Influence of the Blue Ray of the Sunlight and of the Blue Colour of the Sky" by General A.J. Pleasonton. The title of this