Click the desired color below, then copy it from this box, paste at the desired position, and edit the text between the font color tags. Example. Macromolecule Colors Protein Colors Nucleic Acid Colors Element Colors Generic Colors In JTAT, when the color is specified in a style class (in jtat/_drums/drums.css), a span tag is used with that class. Otherwise, RGB (Red Green Blue) hexadecimal color values are used in a font tag. These tags are generated automatically when you click on the desired underlined item below, and are placed in the box above ready to copy and paste. Please see the detailed instructions for using this page.