In my neighborhood wanderings, I see house colors I love and house colors I don't love. Read just about any book on color selection for the home and you will see "inspired by the natural palette" or some other such wording. That opens up pretty much any color at all, since nature has a remarkable imagination.I recently found www.bighugelabs.com and tried their Palette Generator on an image of a favorite bearded Iris cultivar. What results is an Adobe Swatch Exchange file you can download.I think the results are pretty interesting and will use the Palette Generator in the future to help choose material and paint colors. Try it with images of your surroundings or existing materials like the wood wall in the images below: