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Jim Byrne Accessible Website Design Glasgow for The Third Sector, Voluntary, Charities and Not for Profits

Accessible, Responsive Website Design
Jim Byrne Web Designer

Don’t rely on colour alone to provide important information

When creating a web form don’t write, ‘the fields with a red dot next to them are compulsory, those with a green dot are optional.’ This statement will be of no use to people who are colour blind, or those using grey-scale monitors, or those using screen readers.

Requiring users to differentiate between colours to access important information can lead to problems. An example would be a navigation button that has red text on a green background, as people who have difficulty differentiating between red and green (the most common kind of colour blindness) will have a hard time trying to navigate the site.

The main colour combinations to avoid for people who are colour blind:

Red/green combinations (memory aid: red berries against green leaves on a tree)

Blue yellow combinations (memory aid: yellow daffodils against a blue sky)

‘The Institute for Dynamic Educational Advancement (IDEA) and Brandeis University’ provide some useful information about colour blindness.

Links

The Institute for Dynamic Educational Advancement (IDEA).

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I provided feedback on the WCAG 2 (as representative of Guild of Accessible Website Designers) have two decades of experience and worked with hundreds of organisations.

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