diff --git a/webui/src/components/display/blobs/AudioViewer.svelte b/webui/src/components/display/blobs/AudioViewer.svelte
index 7eb7658..559d255 100644
--- a/webui/src/components/display/blobs/AudioViewer.svelte
+++ b/webui/src/components/display/blobs/AudioViewer.svelte
@@ -118,10 +118,12 @@
       c: new TimeFragment(region.start, region.end).toString(),
     });
 
-    await putEntityAttribute(entity, "COLOR", {
-      t: "String",
-      c: region.color,
-    });
+    if (region.color !== DEFAULT_ANNOTATION_COLOR) {
+      await putEntityAttribute(entity, "COLOR", {
+        t: "String",
+        c: region.color,
+      });
+    }
 
     if (Object.values(region.data).length) {
       await putEntityAttribute(entity, "NOTE", region.data as IValue);