In fact, "Black square" is not black and not square: none of the sides of the quadrilateral are not parallel to any other side, and none of the sides of a square frame, which is framed picture. And the dark color is the result of mixing different colors, among whom was black. It is believed that it was not the negligence of the author, and the principled position, the desire to create a dynamic, mobile form.
Specialists of the Tretyakov gallery found the author's inscription on the famous painting by Malevich. The inscription reads: "Battle of Negroes in a dark cave". This phrase refers to the title of a humorous picture of a French journalist, writer, and painter Alphonse Allais "Battle of Negroes in a dark cave deep in the night", which was a completely black rectangle