Olo is described as a "new color" that scientists argue they’ve enabled people to see – one that doesn’t resemble anything in ...

Researchers behind a recent study claim to have discovered a new color that the natural, naked eye cannot perceive — 'olo,' a ...

There are blue paint colors, there are green paint colors - and then there are the ones that live somewhere in between. At ...

Five individuals participated in the experiment, which involved shooting pulses of visible-wavelength laser light directly into their eyes to stimulate individual photoreceptor cells on the retina.

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