Visual Illusion: Line and Color Tricks

The answers are provided below but try first to use your visual knowledge to answer the following three (3) questions before scrolling down to find the answers but, if you already know the answer, obviously it’s no need for you to answer. 😀

1. Which horizontal line is longer, that of figure A or B?

2. Which inner square is bigger, that of figure A or B?

3. Which red dot is brighter, that of figure A or B?

 

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Oooopppssss!

Don’t scroll down until you have chosen

which of which are the your answers.

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Actually, each pair is just similar. The horizontal line of Figure A is not longer nor shorter than the horizontal of Figure B of the first set; the inner square of Figure A is congruent (equal) to the inner square of Figure B of the second set; and the red dot of Figure A has similar color value with the red dot of Figure B of the third set. But why it seems that the horizontal line appears to be longer or shorter that the other; the inner square appears to be bigger or smaller than the other; and the red dot appears to be darker or brighter than the other?

The horizontal line at the Figure B looks shorter than that of Figure A because the vertical line at the center breaks the flow of your eyes and draws your attention to the center of the figure. It is like a physical force that pulls both ends of the line to the center. Thus, it appears shorter.

The inner square of Figure B appears to be bigger than that of Figure A because it has a brighter color enclosed with a dark color similar to the color of the inner square of Figure A. Dark colors visually condense and bright colors visually disperse – bright colors enlarge objects. That is why in fashion, chubby people are advised to wear dark-colored clothes and thin people (like me) are advised to wear bright-colored clothes to at least balance the looks.

The red dot of Figure A appears to be brighter than that of Figure B because of the dark background. When you try to evaluate the intensity of the color, your right brain easily differentiate two colors closer to each other. Thus, the red dot on the brown background appears to be brighter and the red dot on the yellow background appears to be darker.

 

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  1. June 5th, 2011
  2. October 13th, 2011

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