dsgrue3 said:
ganoncrotch said:
your brain and eyes are not to be trusted when it comes to color... or much else, a lot of what you "see" is just your brain filling in the blanks of what it thinks it should be seeing
http://upload.wikimedia.org/wikipedia/commons/6/60/Grey_square_optical_illusion.PNG in this picture the squares marked A+B are the exact same colour... there is no difference. Don't believe your eyes? or don't believe me, here is a gif of it :) no trickery, just your eyes thinking it is darker because it is in a shadow! http://upload.wikimedia.org/wikipedia/commons/9/93/Optical_illusion_greysquares.gif
Colours and shades are not too far from each other, http://upload.wikimedia.org/wikipedia/commons/2/27/ColourIllusion2.jpg the second card as in the pink one he is holding in both these pictures is the exact same shade, most peoples eyes will have a hard time seeing them the same because the surroundings are so different that your eyes just guess the last colour.
Think about it like this, you're in a club or a cinema which has dark or really colourful lights around you, you know for a fact that everything in the room is being coloured by the lights around you.... you take the white ticket from your pocket which you got outside to take a look at it... you see it as white, in a room where there is no chance that the paper should appear white to you, but your brain knows it's white.
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You are focussed on optical illusions and light. I'm taking a crayon out of a box. In normal incandescent light, it will appear the same to everyone who can perceive color. Do you agree?
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optical illusions work just because your eyes are not trustworthy when it comes to exactly what you are in fact looking at, besides if you were born as a wee baby and you looked at orange and saw the colour green, when you're growing up you're going to go to school and be thought all the colours, including how what you are seeing as green is called orange.
I've seen a few bits and pieces of study before which suggested depression could be caused in people who were unable to correctly distinguish and tell the lighter oranges/yellow colours so they were literally living in a much darker and greyer world of their own.
