Dixie D’Amelio, who turns 24 today, tells PEOPLE she dyed her hair gold for her golden birthday and her zodiac sign.

Color has been an intense topic of interest for thousands of years. Mathematicians, philosophers, physicists, physiologists, poets, and other disciplines have all contributed to our understanding of ...

A 28.86-carat D-color diamond sold for $2.1 million, setting a record for a jewel sold at an online-only auction. The VVS1 clarity gem was the top lot at Christie’s Jewels Online sale, held June ...

Explore the melanin and vitamin d connection, and why people with darker skin have trouble absorbing the essential nutrient.

4-D hair color sounds like it'd be another holographic hair trend, but it's actually the key to super-realistic, gorgeous highlights.

Color plays an important part in a design by evoking emotions, feelings, and ideas. Yet the power of colors is lost when a user can’t see them or perceives them differently.

X-Rite Inc. in Grand Rapids, a leader in color science and technology, has announced the CT2100 spectrophotometer, a compact, ...