Learn more about the activity patterns in the brain, which differ for different colors in a surprisingly similar way.

Researchers claim to have discovered a new color called “olo,” which they describe as an intensely saturated blue-green. Here’s what to know.

A team of scientists in California say they have discovered a new color they named olo, but you can't see the "most intense teal" with the naked eye.

Philosophers have fretted about color’s inescapable subjectivity since the late 18th century, when John Dalton discovered red-green color-blindness—his own.

Discover the different types of color blindness, including their causes, symptoms, and diagnosis. Learn how color vision deficiency affects daily life and how doctors treat it.

The special lenses help clarify color for many color-blind people. From top, Lisa Mertzman, Ben Smedley, Adam Aurand, Karen Mertzman, Bruce Nickles.

Most individuals with color vision deficiency have had it since birth. However, people can develop it later in life. If it develops due to a health problem, color blindness can worsen over time.

Seeing the world with a restricted color palate seems to tone down an emotion-based resistance to new foods.

A team of scientists in California say they have discovered a new color they named olo, but you can't see the "most intense teal" with the naked eye.