### Bug report **Bug summary** Using `shadow=True` does not allow for white background in `legend` **Code for reproduction** <!--A minimum code snippet required to reproduce the bug, also minimizing the number of dependencies required--> ```python ax.legend(shadow=True, facecolor='white') ``` **Actual outcome**  **Expected outcome**  **Matplotlib version** <!--Please specify your platform and versions of the relevant libraries you are using:--> * Operating System: Mac * Matplotlib Version: 2.0.2 * Python Version: 3.6