"Why are there so many songs about rainbows?" sings Kermit the Frog in a song (about rainbows) called "Rainbow Connection" from 1979's "The Muppet Movie." And it's not just songs that feature rainbows ...

The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But ...

Complementary colors live on opposite sides of the color wheel. Imagine red and green, blue and orange, or yellow and purple. Or move a half step over on the wheel, and combine a yellow-green color ...

Discover what FDA's red dye ban means for your food safety. Learn which synthetic colors remain in your favorite foods and ...

On the color wheel, analogous colors are neighbors, sitting right next to each other. Think of red and orange, yellow and green, or blue and purple.

The Food and Drug Administration announced last week that it will revoke authorization for FD&C Red No. 3 in food and ...

Discover how a simple online test can reveal whether you perceive colors as blue or green and why monitor calibration is ...

Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...

The Boston Red Sox’ City Connect colors have been a center of scrutiny for a while now, with some critics wondering why the team would wear yellow and blue. However, it seems the Sox are ...