The free image editor GIMP has a function to import a color palette from an image, such as a photo. While there are various free tools that can help you produce a color scheme that can be imported into GIMP, such as Color Scheme Designer, producing a color palette in GIMP can be a very convenient option.
To try this technique out, you will need to select a digital photo that contains a range of colors that you find pleasing. The following pages show you how to use this simple method yourself so that you can produce your own GIMP color palette from an image.