I love the personality in this Catherine Opie portrait. The ultra-saturate complimentary colors make the piece pop, and the sassy personality of the woman (?) depicted can easily stand up to the punchiness of the color.
Malika Favre Vector Illustrations by Jéssica Vieira. Amazing use of negative space. Flowing lines and shapes keep the composition fluid. The black and white is makes the negative space possible. It feels like the yin and yang symbol.