RGB And CMYK Colour Mode.

Why the colour mode values of RGB will change when convert into CMYK colour mode.

8 Answers
Top Voted Recent Answer
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8 Answers
Top Voted Recent Answer
  • It creates a colour separation.The best one is to edit it rgb mode and then convert to cmyk at the end.
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  • Since when we give a poster which is made up of RGB to printing the colors get changed. whereas their will be no color change in CMYK mode.
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  • RGB color values outside the CMYK gamut are adjusted to fall within gamut.
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  • because both has its own values of colours. where RGB is only used for screen but CMYK is used for Printing purpose.
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  • In Photoshop, select 'Edit' then 'Color Setting...' and look at the dropdown list under 'Settings'. Here you will see presets for Europe, North America and Japan.
    Select a CMYK profile that best suits the final printing conditions, for example, 'ISO Coated v2 (ECI)', which is used for standard ISO printing based on the FOGRA39L characterization dataset applicable to reference printing conditions according to the international standard ISO 12647-2:2004.
    Clicking on the 'More Options' button will allow you to set the rendering intent to use when converting from RGB values to CMYK. For continuous tone images such as photographs, selecting 'Perceptual' will generally give the best results while preserving the visual relationships of the source image.
    Once you have setup the best colour settings above, you can open the RGB image you want to convert
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  • Dear Dinesh thanks for giving answer. And I also I wanted to asked about colour changing process about (RGB) & (CMYK). Suppose if i create one logo in cmyk colour mode and I want to convert that logo in rgb colour mode without losing colour differentiation.
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  • Red, Green and Blue (called "RGB"). These are the primary colors of light, which computers use to display images on your screen. Printing presses print full color pictures using a different set of colors, the primary colors of pigment: Cyan (blue), Magenta (red), Yellow and Black (called "CMYK"). This is "4-color process" or "full-color" printing that comprises the majority of magazines and marketing materials you see every day.
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