returns color.white if residueBoxColour is null

diff --git a/src/jalview/gui/SequenceRenderer.java b/src/jalview/gui/SequenceRenderer.java
index 7a52bcc..0c1bfdc 100755 (executable)
--- a/src/jalview/gui/SequenceRenderer.java
+++ b/src/jalview/gui/SequenceRenderer.java
@@ -10,11 +10,14 @@ public class SequenceRenderer implements RendererI
 {\r
   FontMetrics fm;\r
 \r
-  public Color getResidueBoxColour(ColourSchemeI cs, SequenceI seq, int i) {\r
+  public Color getResidueBoxColour(ColourSchemeI cs, SequenceI seq, int i)\r
+  {\r
+   Color c = Color.white;\r
+    try{\r
+       c = cs.findColour(seq, seq.getSequence(i, i + 1), i, null);\r
+    }catch(Exception ex){}\r
 \r
-    Color c  = cs.findColour(seq, seq.getSequence(i, i + 1), i, null);\r
     return c;\r
-\r
   }\r
 \r
 \r