Is your green my green? Probably not. What appears as pure green to me is likely to look a bit yellowish or bluish to you. This is because visual systems vary from person to person. Moreover, an ...

Color plays an important part in a design. Colors evoke emotions, feelings, and ideas. Colors can also help strengthen a brand’s message and perception. Yet the power of colors is lost when a user can ...

Dr. Mark Lindsay was 5 years old when he first learned that tree trunks were brown. "Up until that point, I believed leaves and trunks were all green. Just lighter and darker shades," Mark said. Mark ...

Using adaptive optics, scientists have identified elusive retinal ganglion cells in the eye's fovea that could explain how humans see red, green, blue, and yellow. Scientists have long wondered how ...

Introduction : Cloven tongues of fire -- Modern chromatics : Ogden Rood and the wrong-workings of the eye -- From chemistry to phanerochemistry : Charles Sanders Peirce and the semiotic of color -- ...

A large U.S. health records study suggests that difficulty seeing blood in urine may put color-blind patients at higher risk.

You may know someone who can’t tell the difference between specific colors — and there is a scientific reason it could be happening. The condition is known as color blindness. To share a better ...

Scientists say they’ve discovered a new color called "olo," seen only by five people using laser-based retinal stimulation. The color was created by targeting a single type of cone cell in the eye, ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The rainbow may be due for an update. A new, high-tech method for ...