A device has enabled people to see a new a shade of blue-green, which they say is more intense than any experienced before ...

"Olo" is said to be a saturated blue-green - but some say the existence of a new colour is "open to argument".

On hearing the word sky, a blue sheet appears in front of the eyes. But have you ever wondered why the sky is blue? And when ...

The three lights are meant to be used separately, but Dr. Camp suggests using the green light after the red and blue settings, as it is believed to have a soothing effect on inflamed and irritated ...

Purple is a combination of wavelengths from opposite extremes of the spectrum, which technically deosn’t make any sense, but ...

The light that we see is made up of many different colours. There are three primary colours: red, green and blue. They can be combined in different ways to make every other colour. The colour of ...

The new research, published recently in Nature, used numerical simulations to reconstruct the underwater light environment of ...

Purple, a color often associated with royalty and creativity, isn't a true color of light. Instead, it's a creation of our ...

In general, passports are only red, green, blue, or black, according to Hrant ... and China that expose "hidden" images under UV light. And then there's Finland's animated image of a moose running ...

In art they are: red, yellow and blue. Mixing the primary colours of paint produces the secondary colours of paint: orange, purple and green. These are different to the secondary colours of light.