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
Blue Is the Colour (song) Blue Is the Colour (song) Blue Is the Colour is a football song associated with Chelsea Football Club. It was performed by the squad and released in 1972 to coincide with the club's ultimately unsuccessful appearance in the League Cup final of that year against Stoke City. The record was issued on the Penny Farthing Records label and reached number 5 in the UK Charts and number 8 in Ireland in March 1972. It has become one of the most well-known English football songs. Singing squad members include: As of 2018, 46 years after the song was first released, it