Using the Four Colour Spectrum
Traditionally, it has been the primary colours or black and white that has been prominent in print. Unfortunately, neither of these combinations is ideal. Black and white, despite its graphic and creative appearance, can come off flat and misrepresentative. The primary colours are an improvement, but also do not truly represent the colours to our eye.
The four-colour system, however, is the truest representation to our eye. The four-colour system is used in mass media like newspaper, magazines, brochures and booklets. The four colours used include cyan, magenta, yellow and black. The advantage is that four-colour printing provides a level of clarity and cleanliness within the image. Four-colour printing is achieved with two processes. The first is known as colour separation and the second is screening. The image is broken down and the colours are added in a single layer.
There are many possibilities available when deciding to have your product produced using the four colour printing system. Whatever medium you choose, you will be sure to have an accurate representation of your work, and it will be sure to impress.
Source: http://www.articlesnatch.com/Article/Four-color-Printing/872060
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