Is white and black a colour

Is white a  colour?

http://en.wikipedia.org/wiki/White?
White is considered a color of snow or milk which is pure. it appears to be the color of light and its wavelength of the visible spectrum without absorption, and is the opposite of black.

White appears to be the presence of all colours
http://wiki.answers.com/Q/Is_white_really_a_color

The colour of white reflects light and is considered as a summer colour, the colour of it is popular in decorating and fashion because its light and neutral
http://www.infoplease.com/spot/colors1.html

The colour of white is considered also to be a mixture of colours which is more expectidly explained to be the colours of the rainbow as it is visible light.
http://wiki.answers.com/Q/What_are_black_and_white_if_they_are_not_colors

Is black a colour?

Scientist consider the colour of black to be the absence of light. Fine artists, on the other hand believes the complete reverse.
http://wiki.answers.com/Q/Is_white_really_a_color

http://www.infoplease.com/spot/colors1.html
Black appears to be the colour of authority and power, it also come across to be the colour of evil and villians this colour comes across to be like this as this is the colour that they were.

The colour black appears to be a tone colour if you mix black and white together it would appear to be grey which is why it claims to be a toned colour.
http://wiki.answers.com/Q/What_are_black_and_white_if_they_are_not_colors