Normal Protanope Deuteranope Tritanope
Normal Protanope Deuteranope
Normal Protanomaly Deuteranomaly
Normal Protanope Deuteranope
Color Normal Dichromat
Color Normal Dichromat
Color Normal Dichromat

The source of the last three pictures is critiquewall.com by Paul Martin

Click here to take a test by Jay Neitz.  See how well you can identify objects if you were colorblind.

Click here to see how color deficient people see colored palettes

Reference: This page was designed using the color filter from http://colorfilter.wickline.org