How to Convert CMYK to RBG

Written by w. p. wentzell
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RGB colour space is an additive process that involves combining emitted red, green and blue light to form any colour of the visible spectrum. On the other hand, CMYK colour space describes a subtractive process where cyan, magenta, yellow and black serve as filters and subtract varying degrees of red, green and blue from white light. CMYK colour space refers to the colour process used in commercial print, where colours are achieved in the reflection of white light.

Skill level:
Easy

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Things you need

  • Photo editing software

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Instructions

    Convert CMYK to RGB using Adobe Photoshop

  1. 1

    Purchase a license of Adobe Photoshop from an authorised retailer in your area or online. If you are a student or teacher, inquire about special licensing prices for education.

  2. 2

    Boot your computer and log in as an administrator. Insert the software CD into the drive tray, and install the software on your machine. If the software was downloaded, launch the executable file on your machine and follow the prompts. Reboot the computer when finished.

  3. 3

    Launch Photoshop by clicking on the desktop shortcut. Open the image to be converted by navigating to "File" and selecting "Open." Locate the image on the drive and click "OK."

  4. 4

    Select "Image" followed by "Mode" and "Convert to CMYK." Click "OK" at the dialogue box.

  5. 5

    Hold the "Ctrl" button on Windows or the "Command" button on Mac and press "L" to bring up the levels menu. Use the slider to adjust colour levels. Click "OK" when satisfied.

  6. 6

    Navigate to the "File" menu and select "Save as" to save the file on your drive as an image. Alternatively, select "Export" to save the file as a PDF on your drive. Name the file, select the desired output format, and click "OK."

    Convert CMYK to RGB using GIMP

  1. 1

    Download GIMP image editor from the developer's website. Double-click the executable file on the drive and follow the installation prompts. Reboot the computer once the installation has finished.

  2. 2

    Launch GIMP by clicking on the desktop shortcut. Open the image to be converted by navigating to "File" and selecting "Open." Locate the image on the drive and click "OK."

  3. 3

    Select "Image" followed by "Mode" and "Convert to Color Profile." Select "CMYK" from the profile drop-down menu.

  4. 4

    Select "Colors" from the main menu, and then click "Levels." Use the slider to adjust colour levels. Click "OK" when you are satisfied.

  5. 5

    Navigate to the "File" menu and select "Save as" to save the file on your drive as an image. Alternatively, select "Export" to save the file as a PDF on your drive. Name the file, select the desired output format, and click "OK."

Tips and warnings

  • GIMP is a free image editing program available for all operating systems. It can convert between colour spaces and is free of charge.

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