[ Ссылка ] The task of the Colorlite test is to find the gap on a ‘C shape’. The colors used in the test are from the color blindness confusion lines. The following pictures demonstrate how different types of color blind people see the test pictures. Red-green test picture as a protanope / deuteranope color blind people see. Purple-blue, 'Protan' test picture as a protanope color blind people see. Purple-green, 'Deutan' test picture as a deuteranope color blind people see. Purple-red, 'Tritan' test picture as a tritanope color blind people see.
![](https://i.ytimg.com/vi/w3FX6RNcmjc/maxresdefault.jpg)