Color blindness often happens when someone cannot distinguish between certain colors. Most people with the condition can see some colors correctly but can’t pick out others. It is also known as color deficiency.

Let's see below. Can you view the numbers ?

What did you see?

“3”	Those with normal color vision see a 3.
“5”	Those with red green color blindness see a 5.
Nothing	Those with total color blindness see nothing.

You can take Ishihara Color Test by visiting -> this link and check it out if you are color blind or not.

"Color blindness" or "Color deficiency" whatever you call it, it’s more common in men than women. About 1 in 12 men are color blind, compared with about 1 in 200 women.

From the above test, we know how color contrast can affect different people with visual impairments.

We can improve the user experience for people with visual impairments when creating apps, games, sites, or anything else by choosing right color combination.

whocanuse.com is a tool to find out who can use your color combination.

You can check the contrast ratio by selecting the text and background color as shown below @ whocanuse.com