What you see these pictures may tell something about your color blindness.
In the left of the above picture. What do you see? A Cow or a deer? If you see a cow, congratulations. If you see a deer, most likely you are one of millions of color blinds or who have weak colors.
In the right picture, if you don’t see number 6, you are likely having some color recognition problem. Keep testing with more pictures in the following link.