Just as the perfect color combinations can make, or break your project... the lack of color can also add a lot of drama to your project.
Take a look at Kelli's cards featured here... using only black, white, gray, and silver, she was able to create a lot of contrast, which draws attention to the eye.
Stencil - Dreamweaver
Mahalo stamp- Mari and Me
HG Sing Stamp- The Greeting Farm
Monestera- Island Scrapbooking
Embossing Folder- Cuttlebug
Fairy Eva- The Greeting Farm
2 nickles and a pop-dot
For some helpful hints on these projects, visit Kelli's blog.