 The T 's route emblem was colored turquoise ( hex triplet # <unk> , which could also be considered robin 's egg blue or teal ) because the color had also been used for the JFK Express in the past . In 2011 , turquoise was considered " the color of the year " , and at the time of the color 's selection in the 2000s , it was also considered a very upscale color . 
