But the red cones that were not used in the illusion were not fatigued and so worked normally meaning you see red when the blank screen pops up. At the same time, the yellow parts of the illusion ...

When placed together, you'll see they are, in fact, the exact same color and shade. 'Yet, the illusion remains, as your ...

Color us confused. A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of ...

One illusion in particular involving a picture ... Our brains have been trained to color correct what we see so that objects remain a consistent color regardless of the lighting we are seeing ...