An object’s color appears differently under different lighting and against different backgrounds − for different viewers. But that doesn’t mean colors are subjective.

The artist-provocateur reverse-engineered the blue-green shade called ‘olo.’ Now you can buy it as an acrylic paint.

The federal health department has said it will move to phase out eight artificial dyes, citing health concerns.

Color blindness affects about 1 in 12 males. It can hinder education for youth, but there are things that can help.

The FDA is re-evaluating artificial food dyes. Here’s what you need to know about the risks behind those bright-colored foods ...

A team of scientists has found a way to unlock a color that doesn't exist in the natural world. Named "olo," this new shade ...

A laser experiment has revealed what researchers call a never-before-seen color, described as an intensely saturated teal.

We checked the labels of mass-produced popular grocery items and found the dyes in dozens of foods you may have in your pantry right now.

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

A team of scientists believes they have discovered a new color outside the range of human vision. They named the color “olo” ...

A device has enabled people to see a new a shade of blue-green, which they say is more intense than any experienced before ...

The color of a person’s period ... So it is essential for people to learn what is normal for them. Healthy period blood typically varies from bright red to dark brown or black.