code: function appendColorCell( targetRow, color )
  			{
  				var cell = new $el( targetRow.insertCell( -1 ) );
  				cell.setAttribute( 'class', 'ColorCell' );
  				cell.setStyle( 'background-color', color );
  
  				cell.setStyle( 'width', '15px' );
  				cell.setStyle( 'height', '15px' );
  
  				var index = cell.$.cellIndex + 1 + 18 * targetRow.rowIndex;
  				cell.append( CKEDITOR.dom.element.createFromHtml(
  						'<a href="javascript: void(0);" role="option"' +
  						' aria-posinset="' + index + '"' +
  						' aria-setsize="' + 13 * 18 + '"' +
  						' style="cursor: pointer;display:block;width:100%;height:100% " title="'+ CKEDITOR.tools.htmlEncode( color )+ '"' +
  						' onkeydown="CKEDITOR.tools.callFunction( ' + onKeydownHandler + ', event, this )"' +
  						' onclick="CKEDITOR.tools.callFunction(' + onClickHandler + ', event, this ); return false;"' +
  						' tabindex="-1"><span class="cke_voice_label">' + color + '</span>&nbsp;</a>', CKEDITOR.document ) );
  			}
docs: This function create a single color cell in the color table.