Phlegm color can indicate underlying health issues. Clear or white may signal allergies or viral infections. Yellow or green suggests bacterial infection, needing prompt antibiotic treatment. Red ...

The color wheel was first developed by English mathematician and physicist Sir Isaac Newton, who discovered that white light (what we perceive as colorless daylight) is composed of a spectrum of ...

Forbes contributors publish independent expert analyses and insights. Pam Danziger reports on retail, focused on the luxury consumer market. This article is more than 4 years old. "If you want to ...

What color are tennis balls? That may sound like an easy question to answer, but to the shock of many, there seems to be a divide of two camps on social media as to whether it's green or yellow. On ...

It's that time of the year again when Apple announces a new color for its iPhone. This year, we have a vivid new yellow color, following the muted green of last year and the purple from the year ...

Marketers and entrepreneurs all know color can affect our feelings and perceptions. That’s why they agonize over the exact color to use to represent a brand. Yellow might convey optimism, blue calm ...