12 patterns of illusion of color like "color changing dress"

Although it is the same clothes, people say "white and gold" "blue and black"Pictures of magical dresses that look different colorsWas talked about all over the world, but the cause was that it changed its appearance depending on "How the brain captured the background color of the dress". Through such illusions and illusions, a number of works that look the same color as different colors, and still images appear to move are summarized at The Washington Post.

12 fascinating optical illusions show how color can trick the eye - The Washington Post
http://www.washingtonpost.com/blogs/wonkblog/wp/2015/02/27/12-fascinating-optical-illusions-show-how-color-can-trick-the-eye/

◆ 01: Illusion of color by shadow
An object with a cylinder that makes a shadow on the checkered board made by Mr. Edward H. Adelson. The squares of A and B are exactly the same color, but they are illusory by the color of the shadow.


◆ 02: Gray bar of the same color
A bar is placed in the center of a shaded gray background on the left and right. The color of the bar looks different on the left and right, but in fact it is said that only one color is used.


◆ 03: 2 sides of the same color
It is an illusion from surrounding colors, but A and B are exactly the same color. You can understand by hiding the middle part where the two faces intersect with your fingers.


◆ 04: Chess of the same color
Clearly chess piece that looks different to white and black. Whether or not it is the same color above and below is a husband that can be ascertained by only looking at the color of the two pieces from the hole of the 5 yen coin.


◆ 05: Dog of the same color
It looks like yellow and blue dogs are drawn, but this is also the same color on both sides.


◆ 06: 2 color dot drawing
What color colors are visible in the following images? Actually it is said that only three colors of green and red are used on white background.


◆ 07: Water color painting illusion
At first glance the color surrounded by jaggies in blue and yellow looks like pale yellow (pale yellow), but it is "white".


◆ 08: Still picture moving fast
It looks like it is moving in a flash, but it is not animation or GIF animation.


◆ 09: Serpent rotation
This painting in which the snake winding the tuna rotates without permission is JapaneseAki KitaokaMade by.


◆ 10: The rings disappear · Looking GIF animation
The light purple circle is blinking yellowish green. The light purple circle disappears when you are gazing at the + sign in the center, and you can see the afterimage of the green circle by moving the line of sight.


◆ 11: intersecting illusion effect
A picture with four circles drawn. It seems that each circle is intersecting for some reason, but in reality no circle intersects. I can understand it if I follow you by eyes, but my eyes may turn around.


◆ 12: Dress changing color
The last one is an illustration of that dress that became a hot topic all over the world. Just because the white balance of the background is different, the colors of the left and right dresses are the same.


The original dress pictures are as follows. If you look after the illusion effect, you may have changed to a different color dress.