In reality, the image only contains two colours – one shade of red and one shade of green – but the way they are arranged makes it look like there are more.
The same goes for the green – while it may appear as if the image shifts from one green to another, there’s actually only one shade of green throughout the entire image.
Mind-boggling optical illusion shows three colours - but there's more Optical illusions never fail to amaze, and this latest one is no exception.
The illusion taps into the brain’s tendency to compare different parts of an image, especially when different colours are placed next to each other.
This phenomenon is known as "colour constancy" – our eyes adjust the colours we see based on lighting and context, which sometimes leads us to see things that aren't actually there.
