What happens when your perfect ceremony site and reception hall don't match? If the church has dark colors and your reception hall is decked out in pastels, you don't have to pick one or the other to match. Choose neutrals! They go with everything, and they'll ensure that neither venue's décor will stand out in your guests' minds.
Neutrals are also great for playing with textures. If you don't want color to be the focus, use brocades or interesting fabrics to help bring some nuance to the table. Adorn an ivory brocade tablecloth with a square vase of white roses. Or you can put a complex flower like an orchid with a simple ecru, or beige, silk tablecloth.
Use white lights or candles to make everything shiny. Even the texture of your invitations, place cards and thank yous can make neutrals interesting.
Another great reason for neutrals? They'll always be in style.