The YouTube red got cooler a few months ago — literally. The platform updated its iconic color and added a gradient. Here's ...

Secondary colors are the superstars that shine when any two of the three primary colors — red, blue and yellow — team up. The results are orange, green and purple. Think of them as the second level of ...

Red Dye No. 3, also known as erythrosine, is a synthetic food dye that gives foods and drinks a bright red color. It is also sometimes used in oral medicines and dietary supplements. It first was ...