Mix Match China and use a single color to tie them all together. This stack of pink themed tea cups works well together even though there is a variety of shapes and styles. ~MWP - Aiken House & Gardens: Soft and Pretty Tea Time
Again, here the colour of the bright blue skateboard catches your eye because its contrasted against the pale and desaturated ground. This is a good example of focal point in an image that is not in black and white.