Did you ever think about the written Word?  The writing itself is black but the background which reflects it is white.

“The black is holy; so too is the white.  Without it, you wouldn’t see the black of the ink, there would be nothing with which to contrast it, nothing to delineate it.  Without the white, you wouldn’t see the Word of God.  The white is the unscripture of God…Your life is the sacred white upon which His Word appears, the holy parchment that bears and manifests the eternal script.  Therefore, the key is to join your life, your heart,