Welcome to the colour tester - for your project colour-testing purposes.

Please note that this is not a scientifically accurate tool, but that it will give you a sense of the potential differences in colour perception and can therefore assist you in trying to correct for them. Also note that the filtering being applied does not represent the varying levels of colour-blindness that can be present in an individual.

You can use the menu at the top of the display to adjust the filtering as well as load your own images into the filter using the 'browse' button in the top left.