diff --git a/app/scripts/HorizontalGeneAnnotationsTrack.js b/app/scripts/HorizontalGeneAnnotationsTrack.js
index <HASH>..<HASH> 100644
--- a/app/scripts/HorizontalGeneAnnotationsTrack.js
+++ b/app/scripts/HorizontalGeneAnnotationsTrack.js
@@ -674,6 +674,7 @@ class HorizontalGeneAnnotationsTrack extends HorizontalTiled1DPixiTrack {
           } else {
             r.setAttribute('fill', this.options.minusStrandColor);
           }
+          r.setAttribute('opacity', '0.3');
 
           gTile.appendChild(r);
         });
<I>% opacity on SVG export gene annotations