Color came into its own with papiers collés.... with these works we [Braque, and a little later Picasso started to make 'collage art'] succeeded in dissociating color from form, in putting it on a footing independent of form, for that was the crux of the matter. Color acts simultaneously with form, but has nothing to do with form.

p. 75 - posthumous publications - 'Braque', (1968)