M. Night Shyamalan is known for, among other things, his use of color symbolism. In his first major hit, The Sixth Sense, the color red was used to indicate a connection to the dead and forewarn that something was about to happen. This was viewer's first taste of the kind of color symbolism that would continue to saturate his work. Ever since then, viewers have been paying close attention to every reoccurring hue, theorizing of its meaning and importance in Shyamalan's films.
Below, we take a look at some of the color symbolism used in his films with the help of discussions, interviews and essays on his use of color.
Full article at - http://www.colourlovers.com/blog/2009/12/29/color-in-film-m-night-shyamalan