Table of Contents
3.2.1. Make sure that information is comprehensible, even if the colours are absent
Information must not be conveyed solely by colour.
Tip
To test this point, you can first convert the mock-up to black and white and check that all the information is still comprehensible.
To test this point, you can first convert the mock-up to black and white and check that all the information is still comprehensible.
Examples
In the first example, the information in the pie chart can only be understood by associating each segment with a colour; the second version is comprehensible even if the colours are absent.
Some useful tools
- Color Oracle, free color blindness simulator.
- Vischeck, online color blindness simulator.
- Coblis, online color blindness simulator.
Related recommendations
- Next recommendation: 4.1.1. Provide a link text for each link
