From early childhood, we’ve been taught to recognize the colors of the rainbow—red, orange, yellow, green ... Purple, on the other hand, cannot be found anywhere. Johnson noted, “Blue ...

Red, orange, yellow, green, blue, and indigo are all just as real. But purple? Well, purple is just your brain’s way of resolving confusion. That’s right. Red and blue (or violet) wavelengths ...

The deep blue sea may not have always been so blue. A new study suggests that the Earth's oceans may have changed color over time and could change again in the future, depending on the chemical makeup ...

It's not just black and orange, either — green and purple have both been added to the mix in recent years. In fact, it's hard to go anywhere this time of year and not see the hues on just about ...