“It was breathtaking.” Researchers say they’ve discovered a new color called “olo” – similar to a peacock blue. Professor Ren ...

The colour, said to be a saturated shade of blue-green, cannot be seen by the naked eye without the help of stimulation by laser, which scientists claim can open people to see beyond the normal ...

Scientists claim they have discovered a new colour called ‘olo’. The snag is that it’s only ever been witnessed by five people in the world – and cannot be seen by the naked eye.

Humans perceive colours when light falls on colour-sensitive cells called cones in the retina. There are three types of cones which are sensitive to long (L), medium (M) and short (S) wavelengths ...

Scientists claim they have discovered a new colour called ‘olo’. The snag is that it’s only ever been witnessed by five people in the world – and cannot be seen by the naked eye. Indeed, the colour, ...