More to explore:
Martha Stewart Paint Color Palette, you can use just a few depending on what kind of look you are going for.
According to Martha these are the most versatile paint colors that go in any room. - Looks like my living room color palette!
DIY:: The 18 go with everything, paint anything, put anywhere hues that will work in any room !! by Martha Stewart
Martha's list of "go with anything - paint anything - anywhere" paint colors