diff --git a/ippisite/ippidb/templates/base.html b/ippisite/ippidb/templates/base.html
index bf21cedba937db449c7bd8b9163bac4adf8d55e9..5e994cb9bf55c342b999e954ba3d91ba3824bb02 100644
--- a/ippisite/ippidb/templates/base.html
+++ b/ippisite/ippidb/templates/base.html
@@ -110,8 +110,8 @@
                 var scatterData = {
                 'datasets': [
                     { label: 'Other PPI families',
-                      borderColor: "rgba(211,211,211, 0.5)",
-                      backgroundColor: "rgba(211,211,211, 0.5)",
+                      borderColor: "rgba(211,211,211, 0.3)",
+                      backgroundColor: "rgba(211,211,211, 0.3)",
                       data: otherFamiliesData
                     },
                     { label: compoundFamily,