Are you color blind?

Here are 12 different tests for color blindness. 

Scroll through the slides – one at a time
Try to read the number in the centre (with color dots)
Click the mouse to see the actual number.

Don’t worry if you wronged in a couple of slides.  If you did too many mistakes, you may to see an ophthalmologist for advise.

Answer: Everyone should be able to see a circle, star, and square in the demonstration plate.
Answer: Colorblind individuals should see the yellow square. Color normal individuals should see the yellow square and a "faint" brown circle.
Answer: Colorblind individuals should see the yellow circle. Color normal individuals should see the yellow circle and a "faint" brown square.
Answer: Colorblind individuals should see nothing. Color normal individuals should see a "faint" brown boat.