Scientists have unveiled Olo, a new colour invisible to the naked eye, through specialized laser technology called Oz. This deeply saturated teal, perceived by a select few, holds potential for vision ...

Listen to more stories on the Noa app. The color “olo” can’t be found on a Pantone color chart. It can be experienced only in a cramped 9-by-13 room in Northern California. That small space ...

A rainbow contains all the colours of the visible spectrum. It is often possible to see a secondary bow, which is slightly larger and fainter than the first – and the colours are in the opposite ...

“The level of saturation is off the charts”, Ren Ng, a computer scientist at Berkeley, told Nature. Only five people have seen the mysterious new color — baptized ‘olo.’ But it’s like ...

When they tried to specifically activate the M cone cells in the eye, participants perceived a new color that falls outside the spectrum of colors naturally visible to humans. “Attempting to ...

When white light passes through a coloured filter, all colours are absorbed except for ... to be black if it absorbs all the wavelengths of visible light. For example, an object that appears ...