Abstract: A method permits a user to modify color attributes of a website. The website is based on a template being made of CSS documents, and a folder containing images for the website. A subfolder containing the images in a grayscale version and an additional folder for the layered images that are required for the template preview mechanism in the Graphic User Interface are also provided. The template is separated into at least two areas, each area being composed of a plurality of layers. Images within each area of the template are grouped and each group is attributed an initial color and each group being provided with a coloring method.