fastplotlib
diff --git a/‎fastplotlib/graphics/line_slider.py
Copy file name to clipboardExpand all lines: fastplotlib/graphics/line_slider.py
+7-5Lines changed: 7 additions & 5 deletions b/‎fastplotlib/graphics/line_slider.py
Copy file name to clipboardExpand all lines: fastplotlib/graphics/line_slider.py
+7-5Lines changed: 7 additions & 5 deletions
diff --git a/‎fastplotlib/layouts/_base.py
Copy file name to clipboardExpand all lines: fastplotlib/layouts/_base.py
+3-4Lines changed: 3 additions & 4 deletions b/‎fastplotlib/layouts/_base.py
Copy file name to clipboardExpand all lines: fastplotlib/layouts/_base.py
+3-4Lines changed: 3 additions & 4 deletions
@@ -74,7 +74,7 @@ def __init__(
         else:
             material = pygfx.LineMaterial
 
-        colors_inner = np.repeat([Color("w")], 2, axis=0).astype(np.float32)
+        colors_inner = np.repeat([Color(color)], 2, axis=0).astype(np.float32)
         colors_outer = np.repeat([Color([1., 1., 1., 0.25])], 2, axis=0).astype(np.float32)
 
         line_inner = pygfx.Line(
@@ -88,17 +88,19 @@ def __init__(
             material=material(thickness=thickness + 4, vertex_colors=True)
         )
 
-        self._world_object = pygfx.Group()
+        world_object = pygfx.Group()
 
-        self._world_object.add(line_outer)
-        self._world_object.add(line_inner)
+        world_object.add(line_outer)
+        world_object.add(line_inner)
+
+        self._set_world_object(world_object)
 
         self.position.x = x_pos
 
         self.slider = slider
         self.slider.observe(self.set_position, "value")
 
-        self.name = name
+        super().__init__(name=name)
 
     def set_position(self, change):
         self.position.x = change["new"]
 
@@ -186,14 +186,13 @@ def add_graphic(self, graphic: Graphic, center: bool = True):
         if graphic.name is not None:  # skip for those that have no name
             self._check_graphic_name_exists(graphic.name)
 
-        # store in GRAPHICS dict
-        loc = graphic.loc
-        GRAPHICS[loc] = graphic
-
         # TODO: need to refactor LineSlider entirely
         if isinstance(graphic, LineSlider):
             self._sliders.append(graphic)  # don't manage garbage collection of LineSliders for now
         else:
+            # store in GRAPHICS dict
+            loc = graphic.loc
+            GRAPHICS[loc] = graphic
             self._graphics.append(loc)  # add hex id string for referencing this graphic instance
 
         # add world object to scene