Color illusion 16

Since April 17, 2016


"Reddish strawberries"

This image consists of pixels of cyan or near-cyan hue, without pixels of red, but strawberries appear to be reddish. This image is produced with the additive color change (alpha blending) with cyan (53% transmittance).

Copyright Akiyoshi Kitaoka 2017 (February 28)


"Reddish strawberries 2"

This image consists of pixels of cyan hue, without pixels of red, but strawberries appear to be reddish. This image is produced with the two color method with the axis of cyan (20% transmittance).

Copyright Akiyoshi Kitaoka 2017 (February 28)


Original image


"Yellowish white heart"

The left heart appears to be yellowish whereas the right one white, though they are the same white.

Copyright Akiyoshi Kitaoka 2017 (March 4)

"Bluish black heart"

The right heart appears to be bluish whereas the left one black, though they are the same black.

Copyright Akiyoshi Kitaoka 2017 (March 4)

"Orange- and pink-tinted hearts"

The left heart appears to be pale orange whereas the right one pale pink though they are the same gray.

Copyright Akiyoshi Kitaoka 2017 (March 4)




"Winding roads"

In each image, the curve appears to be tinted with the opposite color of the background, though it is the same hue. Specifically, the curve in the top left image appears to be bluish, though the color is actually yellowish hue...

Copyright Akiyoshi Kitaoka 2017 (February 3)



"Orange heart and red-purple heart"

The left heart is constantly red and the right one is red-purple, but the reversal is observed for 1.5 seconds within 3 seconds.

Copyright Akiyoshi Kitaoka 2016 (October 17)




"White and black with RGB"

The hair and clothes in the left image appear to be white whereas those in the right one appear to be black. Actually, they are the same color stripes of RGB.

Copyright Akiyoshi Kitaoka 2016 (August 15)


"White and black with CMY"

The hair and clothes in the left image appear to be white whereas those in the right one appear to be black. Actually, they are the same color stripes of CMY.

Copyright Akiyoshi Kitaoka 2016 (August 15)



Original image


"White and black with RC"

The hair in the upper image appear to be white whereas those in the lower one appear to be black. Actually, they are the same color stripes of red and cyan.

Copyright Akiyoshi Kitaoka 2016 (August 21)



"Illusory blue dots 2"

Illusory bluish dots appear in white circles.

Copyright Akiyoshi Kitaoka 2016 (April 2)


"Illusory red dots 2"

Illusory reddish dots appear in white circles.

Copyright Akiyoshi Kitaoka 2016 (April 2)


"Illusory yellowish dots"

Illusory yellowish dots appear in white circles.

Copyright Akiyoshi Kitaoka 2016 (April 2)


"Illusory blue dots 3"

Illusory bluish dots appear in white circles.

Copyright Akiyoshi Kitaoka 2016 (April 2)


Color illusion 15

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Color illusion


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