--- XSSFColor.java	(revision 288774)
+++ XSSFColor.java	(working copy)
@@ -23,6 +23,10 @@ 
 import org.apache.poi.ss.usermodel.IndexedColors;
 import org.apache.poi.util.Internal;
 import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTColor;
+import org.w3c.dom.DOMException;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
 
 /**
  * Represents a color in SpreadsheetML
@@ -159,7 +163,37 @@ 
       }
    }
 
-   /**
+   @Override
+protected byte[] getRGBOrARGB() {
+		if (isIndexed()) {
+			try {
+				Node parentNode = ctColor.getDomNode().getParentNode();
+				while (parentNode.getNodeName().trim() != "styleSheet") {
+					parentNode = parentNode.getParentNode();
+				}
+				Node colorsNode = ((Element) parentNode).getElementsByTagName("colors").item(0);
+				Node indexedColorsNode = colorsNode.getFirstChild().getChildNodes().item(getIndex());
+				String hexString = indexedColorsNode.getAttributes().getNamedItem("rgb").getNodeValue();
+				return hexStringToByteArray(hexString);
+			} catch (Exception e) {
+				return super.getRGBOrARGB();
+			}
+		}
+		return super.getRGBOrARGB();
+}
+   
+  private byte[] hexStringToByteArray(String s) {
+	    byte[] b = new byte[s.length() / 2];
+	    for (int i = 0; i < b.length; i++) {
+	      int index = i * 2;
+	      int v = Integer.parseInt(s.substring(index, index + 2), 16);
+	      b[i] = (byte) v;
+	    }
+	    return b;
+	  }
+
+
+/**
     * Standard Alpha Red Green Blue ctColor value (ARGB).
     */
    @Override