Title : Chromostereopsis
link : Chromostereopsis
Chromostereopsis
Look at the circle of red dots with your eyes relaxed. It is surrounded by a ring of blue dots against a black background.
Does one group of dots appear to come forward or rise above the other? Is there any apparent lateral movement of the dots in relation to each other?
Here are some horizontal stripes: white, black, yellow, and blue, with a stonework texture throughout. Does the figure look flat, or do some of the stripes seem to advance forward toward you, like shiplap siding?
About half of the viewers of all of these illusions perceive the warm colors to be coming forward relative to the blue and black colors, and many see other movement happening. Some people see the reverse: the blue parts ahead of the red or yellow
These figures were created by Akiyoshi Kitaoka (link to website) to illustrate chromostereopsis, a phenomenon where warm colors seem to come forward while cool colors appear to recede.
These figures were created by Akiyoshi Kitaoka (link to website) to illustrate chromostereopsis, a phenomenon where warm colors seem to come forward while cool colors appear to recede.
Early stained glass windows suggests that artists have used the effect to create the illusion of depth in a 2D surface.
According to color expert David Briggs, "This phenomenon results from the effect on our stereoscopic vision of the different focal points of long and short wavelength rays, causing a red object to appear to be on a distinctly nearer plane than an equidistant blue object for the majority of observers."
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