I wonder how feasible it would be to run this kind of thing against frames of a running video to periodically adjust the colours of the page container playing the video, sort of like that Phillips Ambilight TV:
http://www.philips.co.uk/c-m-so/televisions/p/ambilight
Also, writing the Gulpfile in Coffeescript and having "compile the Gulpfile to JS" in the installation instructions kind of made me frown a bit...