Contrast- Contrast is being shown between the black prism and the rainbow effect.
Proportion- The reaction between the flux capacitor and the prism is small and the vault boy is showing approval while being larger than the items in the reaction
Emphasis- The vault boy is larger so you eye is drawn to the amazing artistic abilities of whoever created it
Color- red, orange, yellow, green, blue, and purple
Shape- The two rectangles and the triangle are all geometric shapes