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Understanding Colour Modes: CMYK VS RGB

26 March 2024May 6th, 20243 min read

In the world of design and printing, understanding colour modes is essential to achieving the desired outcome for your project. Two of the most commonly used colour modes are CMYK and RGB. Let’s delve into what each one means and when to use them.

CMYK (Cyan, Magenta, Yellow, Black)

CMYK is a subtractive colour model used in colour printing. It works by partially or entirely masking colours on a white background. This model is based on the principle that colours can be created by mixing cyan, magenta, yellow, and black inks. The combination of these inks produces a wide range of colours, allowing for the creation of vibrant and accurate prints.

When to Use CMYK:

  • CMYK is ideal for printing purposes, such as posters, flyers, business cards, and other printed materials.
  • It is also suitable for projects where colour accuracy is crucial, such as branding materials and packaging.

RGB (Red, Green, Blue)

RGB is an additive colour model used in electronic displays, such as computer monitors, TVs, and digital cameras. It works by combining red, green, and blue light at varying intensities to create a broad spectrum of colours. When all three colours are combined at full intensity, they create white light.

When to Use RGB:

  • RGB is best suited for projects intended for electronic displays, such as websites, social media graphics, and digital art.
  • It is also used in photography and video editing, where colours need to be displayed accurately on screens.

HEX Code

A HEX code is a six-digit code used to represent colours in the RGB colour model. Each digit in a HEX code corresponds to a specific intensity of red, green, or blue in a colour. For example, the HEX code #FF0000 represents the colour red, with the maximum intensity of red (FF) and no green or blue.

When to Use HEX Codes:

  • HEX codes are commonly used in web design and digital art to specify colours accurately.
  • They are also used in software applications that require precise colour matching, such as graphic design software.

Understanding the differences between CMYK and RGB colour modes, as well as the use of HEX codes, is crucial for achieving the desired colours in your designs. Whether you’re creating printed materials or digital content, choosing the right colour mode can make a significant difference in the final result.

Images: unsplash.com

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