Can you see a number hidden inside each of these designs?
If not, well, there's a chance you might be color blind.
But what actually causes color blindness and how does the world look if you are?
Let's find out on today's episode of Colossal Questions.
About four percent of people worldwide are colorblind.
And surprisingly, it affects boys more than girls.
People with color blindness usually see plenty of colors.
They just don't see quite the same colors as the rest of us.
Why is that?
Well, that has a lot to do with two types of special cells found only in your eyes.
