Geez The way Renderer r programmed in shadow part is coloring the image, it did not interact with color tempature and light sources. I never said that coal is color. I said that the way renderer paints the image is like 'Coal Paint Render'. Please quit playing mind game, you are not gonna win because I do know the different between void light and color absorption, and black (voilet scale). Please accept the fact that I made the point!