What are RGB and CMYK modes?
Most graphics software programs give you the choice to work in either RGB or CMYK color mode. Scanners and digital cameras create images and computer monitors display images using combinations of just three colors: Red, Green and Blue (RGB). These are the primary colors of light, which computer monitors use to display images on your screen. Offset printing presses print full color pictures and images using a different set of colors, the primary colors of pigment: Cyan (blue), Magenta (red), Yellow and Black (CMYK). This is “4-color process” or “full-color” printing that comprises the majority of magazines and marketing materials you see every day. If you have not created your digital layout or design using CYMK color space to begin with, at some point your RGB file must be translated to CMYK in order to print it on a printing press.
