From palest to deepest, every color has its most neutral shade. Find the one shade of that color that is the most versatile. For example, if you've chosen green, your goal is to select the most neutral shade of that green. Look for the one color swatch that is influenced by all the primary colors. Although your first glance at the hundreds of colors in a paint display can be intimidating, the paint manufacturer has actually done much of the work for you.
Most manufacturers offer at least seven paint strips in every color grouping.
On each paint strip there are six to eight shades ranging from very light to very dark. Each of the color groupings is in a specific order. Find those six to seven green strips, and the most neutral green strip is almost always in the middle. So, if there are seven strips, choose the fourth strip. It's that simple.