In nature, colors average 4 parts black to 1 part white.I stopped believing in Santa Claus when my mother took me to see him in a department store, and he asked for my autograph. - Shirley Temple
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Middle Gray Isn't

Middle Gray Isn't

Our eyes are sensitive to different colors and to gray in different degrees.

Gray

It turns out that the color we usually think of as gray is not half way between black and white. It is actually far darker than you would guess. This gray is actually 4 parts black and only 1 part white.

This corresponds with some research done by Jones and Condit at Kodak in 1941 which found that the average scene in nature is about 4 parts black to 1 part white.

 

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