You may also get paper paint samples (some suppliers have them in-inventory) and these can operate pretty well as they have a tendency to have a slightly higher sheen. Just do what my consumer did (higher than) and tape them to anything white so you can see the depth/distinction. As http://how-to-prep-and-paint-kit48147.blogolize.com/5-Tips-about-painting-wood-cabinets-white-You-Can-Use-Today-31144479