O lo is described as a "new color" that scientists argue they’ve enabled people to see – one that doesn’t resemble anything in our everyday visual experience. It’s described as an intensely saturated ...

Scientists claim they have discovered a new colour called ‘olo’.  The snag is that it’s only ever been witnessed by five ...

You may well have heard of the ‘true cyan’ optical illusion said to induce a colour people have “never seen before” (although the actual science debunks that claim), but now, Washington and California ...