because they are shades. they have different gradients, white, gray, black, they all can melt into each other, but be very different. Also, since black and white photos were that way, they got darker in shades.
It's merely vocabulary, which some mistake for science. Black is the absence of light and color, white is a mix of all colors. If Black and White were called colors the universe would be no different.
Black, Grey and white are part of the group known as Achromatic colors or Neutral colors.
Technically black is not a colour. Nor is white. They are considered colours by most but are actually nothingness. Actually white isn't a color, but if you combine every single color in the rainbow, it just might turn into black.
2 colors that can make gray are black and White.
There are primary colors. They are, blue, yellow, orange, purple, green, and red. There is also black and white but not all people agree that black and white are colors. There are hundreds of colors and shades that can be made from these primary colors.
black and white make gray
Red, Black and White
Black and White are considered neutral colors
because they colors are opposite
because they colors are opposite
Black and White are considered neutral colors
Black and white are not considered colors, here is the reason why. http://www.answerbag.com/q_view/43979
Black and white are two of those colors that aren't really considered to be colors at all. One of the best thing about them is the ability to match other colors with either one of them, or better yet both of them . example : Black, white and red. black, white and blue black, white and lime
Black and white are colors and they are consider opposites.
NO!!!!! All the primary colors mixed together make black and white. Black and white are in no way primary colors.
Black is all the colors and white is the abscence of all colors
Black and white
If your talking about people then no. There's no pure black and pure white skin. Its just not possible.. But of course there is the colors black and white like a piece of clothing, or a colored pencil. Technically, black and white are not considered to be colours, however, common usage of the words would imply they are. Example: The colour of my car is black. or My blouse is white.