diff --git a/tsg_util/display_QC.m b/tsg_util/display_QC.m
index 7b1cdd6c1f2b3a5e085756541951450a48c8a019..28e9d22375d2031ea1ec6a0e201705dc0cdb9038 100644
--- a/tsg_util/display_QC.m
+++ b/tsg_util/display_QC.m
@@ -15,9 +15,23 @@ function display_QC( hGUI, hAxes )
 % -------------------------------
 tsg    = getappdata( hGUI, 'tsg_data');
 
+% get panel handle
+% ----------------
+hdlPanel = findobj(hGUI, 'tag', 'TAG_QC_DISPLAY_PANEL');
+
+% get color axes and set 'BackgroundColor' properties of panel handle
+% give a transparency effect
+% -------------------------------------------------------------------
+bgColor = get(hAxes(1), 'Color');
+set(hdlPanel, 'BackgroundColor', bgColor);
+
+% and to his chlidren uicontrol 
+% -----------------------------
+set(findobj(get(hdlPanel,'children'),'style','text'),...
+   'BackgroundColor', bgColor)
+
 % set panel visible
 % -----------------
-hdlPanel = findobj(hGUI, 'tag', 'TAG_QC_DISPLAY_PANEL');
 set(hdlPanel, 'visible', 'on');
 
 % get list of keys from hashtable tsg.qc.hash, defined inside
@@ -25,10 +39,6 @@ set(hdlPanel, 'visible', 'on');
 % -----------------------------------------------------------
 qc_list = get(tsg.qc.hash);
 
-% Plot the Salinity with the right color code
-% -------------------------------------------
-%bgColor = get(hAxes(1), ');
-
 % iterate (loop) on each key store inside hastable
 % ------------------------------------------------
 for i=1:numel(qc_list)