Is white or black really a color?

White & Black are considere values not colors.

no they are not colors..they are tones. and they have pigments

Yes, black and white are colors for real ;-)

ALslam ALikom,

- Yes , they are colours.(if you are looking to them with in a design context).

- Values or concepts (if you are looking with in a conceptual context).

Regards,

Hind.