Contrast and Colour Check
It is important for everyone to have an enjoyable experience when reading web sites and content should have good levels of colour contrast and no distracting elements. Symbols and other items should not be provided in various colours without there also being other obvious differences to help those with colour deficiencies (colour blindness). (W3C WCAG 2.0 1.4).
Testing Techniques
These techniques may be used to perform the test.
Method
Quick Overview Colour Contrast Analyser and manual checks for text, shapes and colours. Vischeck to check colour deficiency issues.
Criteria for this Test
 |
Poor contrast making critical text difficult to read OR colour used as the sole conveyance of information. |
|---|---|
 |
Generally adequate contrast, some non-critical text difficult to read. |
 |
Site colour contrast adequate but some non-critical text in bizarre fonts or not comfortable to read. |
 |
Site contrast is acceptable. |
