diff --git a/addons/material_maker/engine/nodes/gen_portal.gd b/addons/material_maker/engine/nodes/gen_portal.gd
index 5aa757aef..402d3a160 100644
--- a/addons/material_maker/engine/nodes/gen_portal.gd
+++ b/addons/material_maker/engine/nodes/gen_portal.gd
@@ -16,6 +16,7 @@ var io : Portal
 var source : MMGenBase.OutputPort
 
 var editable := false
+var color : Color = Color.WHITE
 
 func is_editable() -> bool:
 	return true
@@ -91,6 +92,7 @@ func _get_shader_code(uv : String, output_index : int, context : MMGenContext) -
 func _serialize(data : Dictionary) -> Dictionary:
 	data.io = io
 	data.port_type = port_type
+	data.color = MMType.serialize_value(color)
 
 	# remove unused field
 	data.erase("seed_int")
@@ -101,3 +103,5 @@ func _deserialize(data : Dictionary) -> void:
 		io = data.io
 	if data.has("port_type"):
 		port_type = data.port_type
+	if data.has("color"):
+		color = MMType.deserialize_value(data.color)
diff --git a/material_maker/doc/aperture_nodes.rst b/material_maker/doc/aperture_nodes.rst
index 8cd8743c4..f9c054357 100644
--- a/material_maker/doc/aperture_nodes.rst
+++ b/material_maker/doc/aperture_nodes.rst
@@ -14,6 +14,8 @@ In/Out nodes are connected via an identifier displayed as a
 label on top of the node. This can be set by double-clicking the
 node/label or pressing F2/Enter when a node is selected.
 
+Label color can be changed by pressing F when a node is selected.
+
 While multiple output nodes can use the same identifier to reference
 the same input node, input nodes must use unique(to the current graph/subgraph) identifiers.
 
diff --git a/material_maker/doc/user_interface_shortcuts.rst b/material_maker/doc/user_interface_shortcuts.rst
index b0ea0d3ec..1a814bbc0 100644
--- a/material_maker/doc/user_interface_shortcuts.rst
+++ b/material_maker/doc/user_interface_shortcuts.rst
@@ -82,7 +82,7 @@ Graph Editor
 +-------------------------------------------------------+----------------------------------------------------+
 | :kbd:`Ctrl/Cmd-Shift-F`                               | Frame selected node(s)                             |
 +-------------------------------------------------------+----------------------------------------------------+
-| :kbd:`F`                                              | Color selected comment node(s)                     |
+| :kbd:`F`                                              | Color selected comment/aperture node(s)            |
 +-------------------------------------------------------+----------------------------------------------------+
 | :kbd:`C`                                              | Centers view                                       |
 +-------------------------------------------------------+----------------------------------------------------+
diff --git a/material_maker/nodes/comment/comment.gd b/material_maker/nodes/comment/comment.gd
index 4bc3d62ce..1a91cf91b 100644
--- a/material_maker/nodes/comment/comment.gd
+++ b/material_maker/nodes/comment/comment.gd
@@ -162,9 +162,9 @@ func set_color(c):
 	$Popup.hide()
 	if c == generator.color:
 		return
-	var undo_action = { type="comment_color_change", node=generator.get_hier_name(), color=generator.color }
-	var redo_action = { type="comment_color_change", node=generator.get_hier_name(), color=c }
-	get_parent().undoredo.add("Change comment color", [undo_action], [redo_action], true)
+	var _undo_action = { type="node_color_change", node=generator.get_hier_name(), color=generator.color }
+	var _redo_action = { type="node_color_change", node=generator.get_hier_name(), color=c }
+	get_parent().undoredo.add("Change comment color", [_undo_action], [_redo_action], false)
 	generator.color = c
 	update_stylebox()
 	get_parent().send_changed_signal()
diff --git a/material_maker/nodes/portal/portal.gd b/material_maker/nodes/portal/portal.gd
index 188ee99bf..0116b2bfe 100644
--- a/material_maker/nodes/portal/portal.gd
+++ b/material_maker/nodes/portal/portal.gd
@@ -30,13 +30,12 @@ func _draw() -> void:
 
 	# label
 	var label_pos := size * 0.5
-	var label_color := Color.WHITE
-	if "light" in mm_globals.main_window.theme.resource_path:
-		label_color = Color.BLACK
+	var label_color : Color = generator.color
 
 	var label_size = LABEL_FONT.get_string_size(get_link(), HORIZONTAL_ALIGNMENT_CENTER, -1, label_font_size)
 	var label_draw_pos := label_pos - Vector2(label_size.x * 0.5, label_y_offset)
 	if not is_editing:
+		draw_string_outline(LABEL_FONT, label_draw_pos, get_link(), HORIZONTAL_ALIGNMENT_CENTER, -1, label_font_size, 5, Color.BLACK)
 		draw_string(LABEL_FONT, label_draw_pos, get_link(), HORIZONTAL_ALIGNMENT_CENTER, -1, label_font_size, label_color)
 
 	# label dragger
@@ -230,6 +229,16 @@ func set_link_from_selection() -> void:
 		if source_portal.is_portal_in():
 			generator.set_parameter("link", source_portal.get_link())
 
+func set_color(c : Color) -> void:
+	if c == generator.color:
+		return
+	var _undo_action = { type="node_color_change", node=generator.get_hier_name(), color=generator.color }
+	var _redo_action = { type="node_color_change", node=generator.get_hier_name(), color=c }
+	get_parent().undoredo.add("Change portal color", [_undo_action], [_redo_action], false)
+	generator.color = c
+	queue_redraw()
+	get_parent().send_changed_signal()
+
 #region portal link edit
 
 ## Replaces all links from [param from_link] to [param new_link].
diff --git a/material_maker/panels/graph_edit/graph_edit.gd b/material_maker/panels/graph_edit/graph_edit.gd
index 4ee270890..583ebfc8d 100644
--- a/material_maker/panels/graph_edit/graph_edit.gd
+++ b/material_maker/panels/graph_edit/graph_edit.gd
@@ -293,7 +293,7 @@ func _gui_input(event) -> void:
 					scroll_offset.y += 0.5*size.y
 					accept_event()
 				KEY_F:
-					color_comment_nodes()
+					colorize_nodes()
 				KEY_G:
 					if not get_selected_nodes().is_empty():
 						has_grab = true
@@ -1325,13 +1325,16 @@ func undoredo_command(command : Dictionary) -> void:
 				if has_node("node_"+g.name):
 					var node = get_node("node_"+g.name)
 					node.update_node()
-		"comment_color_change":
+		"node_color_change":
 			var g = get_node_from_hier_name(command.node)
 			g.color = command.color
 			if g.get_parent() == generator:
 				if has_node("node_"+g.name):
 					var node = get_node("node_"+g.name)
-					node.update_node()
+					if node is MMGraphComment:
+						node.update_node()
+					elif node is MMGraphPortal:
+						node.queue_redraw()
 		_:
 			print("Unknown undo/redo command:")
 			print(command)
@@ -1826,33 +1829,43 @@ func _get_connection_line(from : Vector2, to : Vector2) -> PackedVector2Array:
 		_:
 			return points
 
-func color_comment_nodes() -> void:
-	var comments := get_children().filter(
-			func(n): return (n is MMGraphComment and n.selected))
-	if not comments.is_empty():
-		undoredo.start_group()
-		var picker : PopupPanel = preload("res://material_maker/widgets/color_picker_popup/color_picker_popup.tscn").instantiate()
-		picker.hide()
-		add_child(picker)
-		var color_picker : ColorPicker = picker.get_node("ColorPicker")
-		for node in comments:
-			color_picker.color_changed.connect(node.set_color)
-			color_picker.color = node.generator.color
-		var csf = get_window().content_scale_factor
-		picker.about_to_popup.connect(func():
-			if mm_globals.has_config("color_picker_color_mode"):
-				color_picker.color_mode = mm_globals.get_config("color_picker_color_mode")
-			if mm_globals.has_config("color_picker_shape"):
-				color_picker.picker_shape = mm_globals.get_config("color_picker_shape"))
-		picker.popup_hide.connect(func():
-			mm_globals.set_config("color_picker_color_mode", color_picker.color_mode)
-			mm_globals.set_config("color_picker_shape", color_picker.picker_shape))
-		picker.content_scale_factor = csf
-		picker.min_size = picker.get_contents_minimum_size() * csf
-		picker.position = get_screen_position() + get_local_mouse_position() * csf
-		picker.popup_hide.connect(picker.queue_free)
-		picker.popup_hide.connect(undoredo.end_group)
-		picker.popup()
+func colorize_nodes() -> void:
+	var nodes : Array[GraphElement]
+	for n in get_children():
+		if (n is MMGraphPortal or n is MMGraphComment) and n.selected:
+			nodes.push_back(n)
+	if nodes.is_empty():
+		return
+	undoredo.start_group()
+
+	var picker = ColorPicker.new()
+	var popup : PopupPanel = PopupPanel.new()
+	popup.add_child(picker)
+	popup.hide()
+	add_child(popup)
+	picker.edit_alpha = false
+	picker.edit_intensity = false
+
+	var csf = get_window().content_scale_factor
+	popup.about_to_popup.connect(func() -> void:
+		if mm_globals.has_config("color_picker_color_mode"):
+			picker.color_mode = mm_globals.get_config("color_picker_color_mode")
+		if mm_globals.has_config("color_picker_shape"):
+			picker.picker_shape = mm_globals.get_config("color_picker_shape"))
+	popup.popup_hide.connect(func() -> void:
+		mm_globals.set_config("color_picker_color_mode", picker.color_mode)
+		mm_globals.set_config("color_picker_shape", picker.picker_shape))
+
+	popup.content_scale_factor = csf
+	popup.min_size = popup.get_contents_minimum_size() * csf
+	popup.position = get_screen_position() + get_local_mouse_position() * csf
+
+	picker.color = nodes[0].generator.color
+	for node in nodes:
+		picker.color_changed.connect(node.set_color)
+	popup.popup_hide.connect(undoredo.end_group)
+	popup.popup_hide.connect(popup.queue_free)
+	popup.popup()
 
 func _on_resized() -> void:
 	$GraphUI.size = Vector2.ZERO