diff --git a/planet/static/js/cytoscape.cycss b/planet/static/js/cytoscape.cycss
index 75d80c0..a0e53ba 100644
--- a/planet/static/js/cytoscape.cycss
+++ b/planet/static/js/cytoscape.cycss
@@ -133,6 +133,14 @@ edge.link_score {
         line-color: mapData(link_score, 0, 30, green, red);
 }
 
+edge.link_pcc {
+        line-color: mapData(link_pcc, 0.7, 1, blue, red);
+}
+
+edge.hrr {
+        line-color: mapData(hrr, 1, 100, green, red);
+}
+
 edge.ecc_score {
         line-color: mapData(ecc_score, 0, 1, red, green);
 }
diff --git a/planet/templates/expression_graph.html b/planet/templates/expression_graph.html
index c6d7a89..6ea9c8c 100644
--- a/planet/templates/expression_graph.html
+++ b/planet/templates/expression_graph.html
@@ -115,10 +115,14 @@
                         <li><a href="#" class="cy-edge-color" attr="color">Default</a></li>
                         {% if node %}
                         <li><a href="#" class="cy-edge-color" attr="depth_color">Depth</a></li>
+                        <li><a href="#" class="cy-edge-color" attr="link_pcc">PCC</a></li>
+                        <li><a href="#" class="cy-edge-color" attr="hrr">HRR</a></li>
                         {% elif ecc_pair %}
                         <li><a href="#" class="cy-edge-color" attr="ecc_pair_color">Type</a></li>
                         {% elif not sequence %}
                         <li><a href="#" class="cy-edge-color" attr="link_score">Score</a></li>
+                        <li><a href="#" class="cy-edge-color" attr="link_pcc">PCC</a></li>
+                        <li><a href="#" class="cy-edge-color" attr="hrr">HRR</a></li>
                         {% else %}
                         <li><a href="#" class="cy-edge-color" attr="ecc_score">ECC</a></li>
                         <li><a href="#" class="cy-edge-color" attr="ecc_type">ECC type</a></li>