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- RGB standard is used in monitors so you use it for screen display or online browing.
- CMYK standard is used in printers so you use it for printing material.
RGB means Red Green Blue and CMYK means Cyan Magenta Yellow and Key(black). It's a format used to choose the colour system. CMYK is an enhanced version of RGB. It is more accurate way for computers to read colour.
RGB stands for the colors red, green, and blue, the colors widely recognized in design fields as the primary colors. The RGB model is known as an additive model, where colors are added together to make up what we see on the screen. Basically, pixels on a television set or computer monitor create tiny pixels that, if viewed under a magnifying glass, are one of those three colors. Light is projected through them, blending the colors on the eye’s retina to create the desired colors.CMYK, on the other hand, stands for the colors cyan, magenta, yellow, and black. CMYK is a subtractive model. This gets a bit complicated, but the idea with subtractive models like CMYK is that colors from the spectrum are subtracted from natural white light into pigments or dyes. These pigments, then, are printed onto paper in tiny little cyan, magenta, yellow, and black dots. If you were to take a magnifying glass to a magazine cover, for example, you would see that the main image is really just a bunch of dots spread out, some closer than others, to appear like the colors we want.
RGB color ( Tri color) is used for digital communications, like television, monitors. or websites, Photo Printing ( Photo printers supports both RGB and CMYK)
CMYK (Four Color) is used for stuff made for offset printing , like brochures, visiting cards, sign board (large format) etc.,
