Black on white or vice versa has been used effectively with Eastern calligraphy in art to draw more attention to the the form of the strokes. As the letters quite often consist of simple strokes, the combination is stark and appealing. Early Greek pottery also featured a strong emphasis on using black figures over a lighter background. giving a silhouette effect. Monochromatic imagery commands a different perception, especially if you're working without any shades in between. With black and white, the greater contrast makes a bolder statement, creates more depth and mystique, and makes the patterns and designs more dramatic. This