|If you can read what is written inside the color circle, you are color blind|
That means protanopes and deuteranopes cannot read what is written on these images.
|The colorblind are good people|
|Are you colorblind. Then the above image says nothing.|
There is another image which is supposedly visible ONLY to the colorblind, but it seems to be very difficult to read even for those who are colorblind. Apparently, there is a NO on it if you look hard enough.
|Can you read what it says ? No ? Yes ? You mean No ?|
But I'll show you an image which really is very easy to read for the colorblind. Only the colorblind can see the following two images.
|Can you read this too ? What does it say ?|
|If you can read this, you are color blind. High Five !|
There are so many gag gifts for the color blind. The following T-shirt image, though, is a reverse gag because the text inside the heart can be read by the colorblind also.
|The colors are wrong. Everyone finds it difficult to read.|
Gift a Rubik's cube. That will make them happy. Or not.
|Color Blind and non-ColorBlind see different numbers here|
How to Make a secret message of your own that your colorblind friends can't see ?
Use Steven's ColorBlinder website. Or iOS app if you want it offline.