What is CMYK/RGB and why do they matter?

CMYK and RGB are two different ‘colour modes’ that are used in graphic design. This guide will explain what colour modes are, the difference between the two and why we print in CMYK.

• Can I change the colour mode?
• Can you still use my design if it has been created using RGB colours?
• How can I tell which colour mode my artwork is set up in?
• Which colour mode does a file need to be for printing?
• What is the difference between CMYK & RGB?
• What is a colour mode?
• What do they stand for?