The Blue Period is A collection of photographs that defines the works produced by Venezuelan Photographer Karen Cox you can see essentially monochromatic colors in shades of blue and blue-White-green, only occasionally warmed by other colors. It is a combination of photography and photoshop skills to create something unique and artistic. The Blue Period is a term used to define the works produced by Spanish painter Pablo Picasso between 1901 and 1904 Photos taken in the United States