Photoshop Color Modes - RGB and CMYK
There are two popular types of colour modes RGB and CMYK. The RGB mode consists of three colour channels - red, green and blue .
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This mode is called the additive colour Mode as the red blue and green colours are mixed in different proportions and intensities to create white colour. This process call be more clearly understood by taking the example of one s monitor which creates colour by emitting light through red blue and green phosphors.
Although every person works in RGB mode when working with images the final image is changed to CMYK mode v dien it goes for printing which consists of four channels cyan magenta yellow and black.
The first thing that one notices while converting an image front RGB to CMYK is the colour loss and the increase in file size. If that s the case then why do people convert images to CMYK That s because to reproduce colour in print. you use inks in different proportions. Here cyan magenta and yellow combine to absorb the entire colour and produce black. This is the reason why they are known as sub tractive colours
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Since all inks contain certain kinds of impurities the first three colours combine to give a Muddy colour which then has to be combined with black K to generate the true colour. Therefore the digital artist will have to convert the image to CMYK before printing.
