Background color of node in DOM

Question

Could you please let me know how can i get Background color of element/node in DOM

able to get below output style="top:161.80327pt;left:29.21pt;line-height:7.4866333pt;font-family:Arial;font-size:7.0pt;width:48.82689pt;"

using below code (PDF2DOM)

enter code here
          pdf = PDDocument.load(pdfFile);
        PDFDomTree parser = new PDFDomTree();
         // parse the file and get the DOM Document
        Document dom = parser.createDOM(pdf);
       XPath xPath = XPathFactory.newInstance().newXPath();
      String expression = "//div[text()='A300-327-GE']"; // use your XPath expression here
      NodeList nodeList = (NodeList) xPath.compile(expression).evaluate(dom, XPathConstants.NODESET);
      System.out.println("nodeList"+nodeList.item(0).getAttributes().item(2));