Scientists in California claim to have discovered a new jaw-dropping color no human has ever seen before. The catch? You have to zap your eyes with laser pulses to see it. Five scientists at the ...

The human eye can see millions of colors — but no eyes have ever before beheld "Olo." Only five people on the planet — all ...

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

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