Use these tools to help ensure your colours are accessible:

  • Colorbrewer is a useful basic tool that allows you to choose 3 to 12 colours according to specified requirements, for example, colour-blind safe or diverging colours
  • Colorhexa allows greater control over choosing optimally distinct colours, a colour-blind simulator shows how colours appear to people with different types of colour blindness
  • Adobe Illustrator allows you to simulate different kinds of colour blindness