Spot color Spot color In offset printing, a spot color or solid color is any color generated by an ink (pure or mixed) that is printed using a "single run", whereas a process color is produced by printing a series of dots of different colors. The widespread offset-printing process is composed of the four spot colors cyan, magenta, yellow, and key (black) commonly referred to as CMYK. More advanced processes involve the use of six spot colors (hexachromatic process), which add orange and green to the process (termed CMYKOG). The two additional spot colors are added to compensate for the ineffective reproduction
Combination printing would be able to combine the two negatives by blending them together. Photographers such as William Frederick Lake Price and Oscar Rejlander are famous for using combination printing. Starting as early as the mid-19th century, new methods such as the combination printing, began to change the way people looked at different photographic techniques. Controversy broke out in the photographic community about the use of combination printing. Photographs originally had been regarded as truth and it was perceived that the camera never lied. However, with the newfound ability to manipulate the final product, the notion that photographs depicted "truth" was soon