What it is like to be colorblind

I came across a colorblind simulator on the Internet.  I often get asked by patients if people who are colorblind see the world without any color.  The site allows you to upload a photograph and then you can see how three different colorblind conditions affect the appearance of the the world. 

CLICK HERE to view the interesting color blindness simulator.

 

This is the original photograph I used for the simulator:

(I had more colorful pictures to upload but the simulator has limitations to the file size.)
 

Here are the three results of the colorblind simulator: