You can't just do a two tone kitchen. It's got to be done right! There are lots of examples out there of poorly done two tone kitchens. I think two important things are 1) lots of light 2) proper balance of the light colors to the dark colors.
Gourmet kitchen features glass-front upper cabinets and creamy white lower cabinets paired with honed black countertops and a mini marble subway tile backsplash flanking arched windows over undermount sink paired with deck bridge mount faucet.