What is the difference between RGB and CMYK and why are they important?
RGB refers to the primary colours of light; red, green and blue. These are used in monitors, television screens, digital cameras and scanners. CMYK refers to the primary colours of pigment; cyan, magenta, yellow, and black. These are the inks used in 4-colour process printing, or full colour printing. The combination of RGB light creates white, while the combination of CMYK inks creates black. Therefore, it is physically impossible for the printing press to exactly reproduce colours as we see them on our monitors. Many programs have the capability to convert the layout/images from the RGB colour space to the CMYK colour space. It is preferable if you convert your colours from RGB to CMYK, so that you have maximum control over the results. You may notice a shift in colour when converting. If you are unsatisfied with this difference, you can make corrections in CMYK, usually by lightening. Generally, you should specify CMYK colour builds that look a little lighter than you want, since th
