A handy little web color tool at colorschemedesigner.com can do all the work for the color uncoordinated dweller. Click on any spot on the color wheel, and a variety of complimenting colors are calculated by, presumably, either someone with decent taste or a hipster robot. In any case it works nicely.

As it were, our Luther Zero Green looks snappier in rooms with these colors – to the right of the color wheel…