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The Difference Between CMYK and RGB

When it comes to colour printing and digital displays, understanding the difference between CMYK and RGB is crucial. These two colour models serve distinct purposes and are fundamental to achieving accurate colour representation in various mediums.

CMYK stands for Cyan, Magenta, Yellow, and Key (black). This colour model is primarily used in printing. In the CMYK model, colours are created by combining these four ink colours. This process is known as subtractive colour mixing because the inks subtract brightness from white. The more ink you apply, the darker the colour becomes. CMYK is essential for producing full-colour documents, posters, and images in print, as it closely aligns with the way colours are rendered on paper.

On the other hand, RGB stands for Red, Green, and Blue. This colour model is used for digital displays, including computer monitors, televisions, and smartphones. RGB is based on additive colour mixing, where colours are created by combining light. In this model, adding all three primary colours together at full intensity results in white light, while the absence of light produces black. RGB is ideal for devices that emit light because it takes advantage of the way our eyes perceive colour through light.

When preparing a project, knowing whether to use CMYK or RGB is vital. Using the correct model ensures colour accuracy and consistency, preventing costly errors and disappointing results.

Metro Repro, a leader in printing and graphic solutions, offers expert guidance on using CMYK for high-quality prints. They understand the nuances of colour models and provide top-notch printing services, ensuring your printed materials look as intended. Whether you’re a professional graphic designer or a business owner needing reliable printing solutions, Metro Repro can help you navigate the complexities of colour management, ensuring your projects shine with vibrant and accurate colours.

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