SharePoint 2013 comes with 32 color palettes. If you are incorporating the branding of an organization you will likely need to customize the colors to match. Color palettes are simple XML files; however, they contain over 90 configured values. Identifying the appropriate values to update manually can be tedious. To simplify the process of creating new color palettes, Microsoft has made available the SharePoint Color Palette Tool for download. This tool can be downloaded from http://www.microsoft.com/en-us/download/details.aspx?id=38182.
The SharePoint Color Palette Tool provides: