
The protanopia color spectrum looks like this: Protanopia: Also referred to as “red weakness”, individuals who suffer with this variation of red/green color blindness are unable to perceive red light.This is further broken down into two distinct categories: There are three distinct types of color blindness: Red/Green Color BlindnessĪccording to Colblindor, 99% of all color blind people suffer from red/green color blindness. Damage to the retina caused by aging can additionally cause color blindness. It occurs when light-sensitive tissue in the back of the eye-the retina–fails to properly respond to variations in wavelengths of light, which enable people to see different colors.Īlthough color blindness is primarily an inherited condition, it can also result from cataracts or trauma to the eye, as well as a number of diseases, including Parkinson’s, Kallman’s Syndrome and diabetes.


Optimizing your graphics can help make them more accessible-and that doesn’t mean banishing color from your charts and graphs either.

There are an estimated 300 million color blind people worldwide, including Mark Zuckerberg, Bill Clinton and Prince William! But what if your readers are color blind?Īccording to Color Blind Awareness, color blindness affects 1 in 12 men (8%) and 1 in 200 women (0.5%). Colors play a central role in data visualization.
