We eat and drink with our eyes, so when you see the vibrant butterfly pea flower tea, you'll certainly want to take a sip.

While there may be no definite consensus on how red and green became the official colors of Christmas, there are a few interesting explanations.

Butterflies that independently evolved the same wing patterns have also evolved similar eyes and brains which are fine-tuned ...

Red and green aren't just a pretty pair—these Christmas colors have been associated with winter holidays for centuries.

Victorians used a lot of different color palettes, and even put Santa in blue and green robes. Thanks to Coca-Cola, things got a lot more uniform after 1931.

Why Do Butterflies Have Such Vibrant Colors and Patterns? Colors give butterflies camouflage, which helps them avoid hungry predators.

Vision research over the past 30 years has gradually proven that forbidden colors — reddish green and yellowish blue — are real, though some scientists still don't believe it.

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.

Even though emeralds and rubies are very different colors, they both have the same secret ingredient in their atomic structure.

Why are red and green the colors of Christmas? A combination of nature and commerce brought these shades to the forefront.

Learn about the history and meaning behind traditional Christmas colors: red, green, gold, white and purple. Experts explain their origins and significace.