Color illusion 17

Since May 19, 2018


"Illusory green"

The words appear to be greenish, though this image consists of blue, cyan and black.

Copyright Akiyoshi Kitaoka 2019 (May 25)


"Illusory red"

The words appear to be reddish, though this image consists of blue, magenta and black.

Copyright Akiyoshi Kitaoka 2019 (May 25)



Copyright Akiyoshi Kitaoka 2018 (August 14)


"Solid color, spatial color mixture, and the Munker illusion"

RGB additive color mixture for spatial color mixture

Copyright Akiyoshi Kitaoka 2018 (June 13)


"Solid color, spatial color mixture, and the Munker illusion"

CMY subtractive color mixture for spatial color mixture

Copyright Akiyoshi Kitaoka 2018 (June 13)


"Virtual solid color, spatial color mixture, and the Munker illusion"

The Munker illusion can make colors that cannot be provided by solid colors

Copyright Akiyoshi Kitaoka 2018 (June 13)


"Spatial color mixture for the Munker illusion colors that cannot be provided by solid colors"

RGB additive mixture and CMY subtractive one

Copyright Akiyoshi Kitaoka 2018 (June 13)


"Illusory yellow and spatial color mixture"

There appear to be two similar yellowish hearts, but the left heart does not include yellow pixels.

Copyright Akiyoshi Kitaoka 2018 (February 4)

(For confirmation)


"Illusory yellow and spatial color mixture 2"

There appear to be two similar yellowish hearts, but the left heart does not include yellow pixels.

Copyright Akiyoshi Kitaoka 2018 (February 4)


"Illusory yellow and spatial color mixture 3"

There appear to be two similar yellowish hearts, but the left heart does not include yellow pixels.

Copyright Akiyoshi Kitaoka 2018 (February 4)


"Illusory yellows"

There appear to be illusory yellow.

Copyright Akiyoshi Kitaoka 2018 (February 4)


"Illusory yellows and others"

Copyright Akiyoshi Kitaoka 2018 (February 4)

(For confirmation)


"Illusory yellows shown in the Sohmiya illusion"

There appear to be illusory yellow.

Copyright Akiyoshi Kitaoka 2018 (February 4)


"Illusory yellows"

There appear to be illusory yellow.

Copyright Akiyoshi Kitaoka 2010 (May 30)


"Yellowish dots and bluish-white dots"

White dots appear to be different from how it is.

Copyright Akiyoshi Kitaoka 2012 (April 14)


"Illusory yellow signal"

Doughnut areas within disks appear to be yellowish.

Copyright Akiyoshi Kitaoka 2018 (May 19)


"Yellowish neon color spreading"

Yellowish color spreading is observed.

Copyright Akiyoshi Kitaoka 2018 (May 19)


"Yellowish hearts"

Ilusory yellow hearts are observed.

Copyright Akiyoshi Kitaoka 2018 (May 19)


"Yellowish hearts 2"

Ilusory yellow hearts are observed.

Copyright Akiyoshi Kitaoka 2018 (May 19)


"Illusory yellow and spatial color mixture"

There appear to be two similar yellowish hearts, but the left heart does not include yellow pixels.

Copyright Akiyoshi Kitaoka 2018 (May 19)



Illusory yellow vs. real yellow pic.twitter.com/uE3ACaUgeS

— Akiyoshi Kitaoka (@AkiyoshiKitaoka) 2018年12月9日

<December 11, 2018>


Color illusion 16

Color illusion 15

Color illusion 14

Color illusion 13

Color illusion 12

Color illusion 11

Color illusion 10

Color illusion 9

Color illusion 8

Color illusion 7

Color illusion 6

Color illusion 5

Color illusion 4

Color illusion 3

Color illusion 2

Color illusion


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