Good quality furniture should have the entire piece in a consistent shade of colour, regardless of whether it was stained, painted or has a natural finish. You can also observe if the other pieces in the same set have the same finish as well. It is, therefore, always wise to head down to the physical store to have a look and feel of the products before making any purchase decisions.
Keeping it alll white.
Sometimes the fabrics are what make the headboard have that designer look.