Colors include white, grays, blacks and colors that have a grayish cast.

The range of gray levels, from black to white, but without color. For neutral areas in the image, the RGB signals will all be equal; in color difference formats, the color difference signals will be zero.

Colors formed by mixing complementary colors on the color wheel.

Colors in which all three primaries -- that is, black, white and gray -- exist in equal amounts.

Black, white, gray, and brown are considered to be “neutral” colors because they are (theoretically) neither warm nor cool colors. Some neutral colors may be achieved by mixing a complementary color pair—which “neutralizes” them.

Colors that have very little actual color. Neutral colors work well as a backdrop for other, more intense colors. They are soothing in nature for large spaces for long periods of use.

Colors that lack hue, such as black, white, gray and brown.

Colors that lack both hue and chroma, which include black, white and the levels of gray in between. Also called achromatic colors. See also Grayscale.

White, off-white, light beige and gray - colors that generally go well with all other colors.

colors such as black, gray, and white (and shade of them) maybe arranged in varying lightness, but have no hue.

The colors black, white, gray, and variations of brown. They are included in the color family called earth colors.