diff --git a/CHANGELOG.md b/CHANGELOG.md
index 789b057..eb5cb65 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@
 - feat: Namespace upgrade
   - support pseudo group naming
   - add group and indent button
-- feat: Fill tool shortcut for material color picker (from closest stroke)
+- feat: Fill tool shortcut for material color picker (from closest visible stroke)
   - `S` : get material closest *fill* stroke
   - `Àlt+S` : get closest stroke (fill or stroke)
 
diff --git a/OP_layer_manager.py b/OP_layer_manager.py
index 45572c1..598b0c4 100644
--- a/OP_layer_manager.py
+++ b/OP_layer_manager.py
@@ -139,15 +139,18 @@ class GPTB_OT_layer_name_build(Operator):
         return {"FINISHED"}
 
 
-def grp_toggle(l):
+def grp_toggle(l, mode='TOGGLE'):
+    '''take mode in (TOGGLE, GROUP, UNGROUP) '''
     grp_item_id = '  - '
     res = re.search(r'^(\s{1,3}-\s{0,3})(.*)', l.info)
-    if not res:
-        # add group prefix after stripping all space and dash
+    if not res and mode in ('TOGGLE', 'GROUP'):
+         # No gpr : add group prefix after stripping all space and dash
         l.info = grp_item_id + l.info.lstrip(' -')
-    else:
-        # delete group prefix
+    
+    elif res and mode in ('TOGGLE', 'UNGROUP'):
+        # found : delete group prefix
         l.info = res.group(2)
+    
 
 class GPTB_OT_layer_group_toggle(Operator):
     bl_idname = "gp.layer_group_toggle"
@@ -186,18 +189,26 @@ class GPTB_OT_layer_new_group(Operator):
         if not act:
             self.report({'ERROR'}, 'no layer active')
             return {"CANCELLED"}
+
         res = re.search(PATTERN, act.info)
         if not res:
             self.report({'ERROR'}, 'Could not create a group name, create a layer manually')
             return {"CANCELLED"}
-        name = res.group('name')
+        
+        name = res.group('name').strip(' -')
         if not name:
             self.report({'ERROR'}, f'No name found in {act.info}')
             return {"CANCELLED"}
-        if name in [l.info for l in gpl]:
+        
+        if name in [l.info.strip(' -') for l in gpl]:
             self.report({'WARNING'}, f'Name already exists: {act.info}')
             return {"FINISHED"}
-        gpl.new(name, set_active=False)
+
+        grp_toggle(act, mode='GROUP')
+        n = gpl.new(name, set_active=False)
+        n.use_onion_skinning = n.use_lights = False
+        n.hide = True
+        n.opacity = 0
         return {"FINISHED"}
 
 
@@ -479,14 +490,21 @@ def obj_layer_name_callback():
     if not ob.data.layers.active:
         return
 
+    ## Set selection to active object ot avoid un-sync selection on Layers stack
+    ## (happen when an objet is selected but not active with 'lock object mode')
     for l in ob.data.layers:
         l.select = l == ob.data.layers.active
 
-    res = re.search(PATTERN, ob.data.layers.active.info)
+    res = re.search(PATTERN, ob.data.layers.active.info.strip())
     if not res:
         return
     if not res.group('name'):
         return
+    print('grp:', res.group('grp'))
+    print('tag:', res.group('tag'))
+    print('name:', res.group('name'))
+    print('sfix:', res.group('sfix'))
+    print('inc:', res.group('inc'))
     bpy.context.scene.gptoolprops['layer_name'] = res.group('name')
 
 @persistent
diff --git a/OP_material_picker.py b/OP_material_picker.py
index 9525223..017929a 100644
--- a/OP_material_picker.py
+++ b/OP_material_picker.py
@@ -77,7 +77,7 @@ class GP_OT_pick_closest_material(Operator):
 
         if self.gp.use_multiedit:
             for l in self.gp.layers:
-                if l.lock or l.hide:
+                if l.hide:# l.lock or 
                     continue
                 for f in l.frames:
                     if not f.select:
@@ -88,7 +88,7 @@ class GP_OT_pick_closest_material(Operator):
         else:
             # [s for l in self.gp.layers if not l.lock and not l.hide for s in l.active_frame.stokes]
             for l in self.gp.layers:
-                if l.lock or l.hide or not l.active_frame:
+                if l.hide or not l.active_frame:# l.lock or 
                     continue
                 for s in l.active_frame.strokes:
                     self.stroke_list.append(s)