“Up close, you can see that the image is actually black and white. It has coloured lines on top of it. From far away the ...

A head-scratching optical illusion ... color saturation optical illusion.” The illusion is reminiscent of the viral debate over the black-and-blue or gold-and-white dress from nearly a decade ...

Op Art, also known as optical art, is a type of art that features optical illusions. The way that lines ... Often these are produced in black and white or highly contrasting colours.