Variety and Contrast

Organic unity, although essential, is not enough to create a good composition. Vatiety and contrast is also needed. Without variety and contrast, the image would seem boring. For example, a checkerboard has organic unity but is uninteresting because it lacks variety. The following design principles are used to give complexity, subtlety, excitement and richness to compositions.

I. Variety and contrast - Variety refers to having a diversity of elements in a composition, while contrast refers to those abrupt changes when unlike elements are juxtaposed. Variety and contrast can be achieved through:
 
Different Shapes or Volumes Shapes vs. Volumes Value or Color
Size Few vs. Many Dense vs. Sparse
Direction Texture or Pattern Intervals Between
Visual Elements

Focal Point

One element may be contrasted to the point
where it becomes the focal point, while other
elements may be contrasted to become
secondary or tertiary areas of emphasis.