#colorblindness
Feel free to contact me to suggest a resource.
![A generous pile of red and green chili peppers](https://a11y-toolbox.com/wp-content/uploads/2021/07/colorblind.jpg)
From A Colourblind Designer To The World: Please Stop Using Red And Green Together
Andrew Wilshere, a red-green colorblind, shares the most common problems he encounters when using websites and apps.
Illustration: Mark Stebnicki
![ColorOracle logo](https://a11y-toolbox.com/wp-content/uploads/2020/09/colororacle.png)
Color Oracle
About 10% of the population - mostly males - has a form of colorblindness.
Color Oracle is a free color blindness simulator for Windows, Mac OS and
Linux. It shows in real time what people with common color vision impairments
see.