diff --git a/game/addons/mat_maker_gd/editor/MatMakerGDEditor.gd b/game/addons/mat_maker_gd/editor/MatMakerGDEditor.gd
index 9568cc66..496a24ed 100644
--- a/game/addons/mat_maker_gd/editor/MatMakerGDEditor.gd
+++ b/game/addons/mat_maker_gd/editor/MatMakerGDEditor.gd
@@ -3,6 +3,8 @@ extends MarginContainer
 
 var MMGraphNode = preload("res://addons/mat_maker_gd/editor/mm_graph_node.gd")
 
+export(PoolColorArray) var slot_colors : PoolColorArray
+
 export(NodePath) var graph_edit_path : NodePath = "VBoxContainer/GraphEdit"
 export(NodePath) var add_popup_path : NodePath = "Popups/AddPopup"
 
@@ -30,6 +32,7 @@ func recreate() -> void:
 		
 	for n in _material.nodes:
 		var gn : GraphNode = MMGraphNode.new()
+		gn.slot_colors = slot_colors
 		gn.set_node(_material, n)
 		_graph_edit.add_child(gn)
 		
@@ -59,6 +62,7 @@ func _on_AddPopup_ok_pressed(script_path : String):
 	_material.add_node(nnode)
 	
 	var gn : GraphNode = MMGraphNode.new()
+	gn.slot_colors = slot_colors
 	gn.set_node(_material, nnode)
 	_graph_edit.add_child(gn)
 	
diff --git a/game/addons/mat_maker_gd/editor/MatMakerGDEditor.tscn b/game/addons/mat_maker_gd/editor/MatMakerGDEditor.tscn
index 6c316e28..e4286c1b 100644
--- a/game/addons/mat_maker_gd/editor/MatMakerGDEditor.tscn
+++ b/game/addons/mat_maker_gd/editor/MatMakerGDEditor.tscn
@@ -13,6 +13,7 @@ script = ExtResource( 1 )
 __meta__ = {
 "_edit_use_anchors_": false
 }
+slot_colors = PoolColorArray( 0.905882, 0.0627451, 0.0627451, 1, 0.431373, 0.0352941, 0.0352941, 1, 0.827451, 0.376471, 0.376471, 1, 0.0431373, 0.478431, 0.427451, 1, 0.352941, 0.0352941, 0.341176, 1 )
 
 [node name="VBoxContainer" type="VBoxContainer" parent="."]
 margin_right = 1024.0
diff --git a/game/addons/mat_maker_gd/editor/mm_graph_node.gd b/game/addons/mat_maker_gd/editor/mm_graph_node.gd
index a42c450a..04f87660 100644
--- a/game/addons/mat_maker_gd/editor/mm_graph_node.gd
+++ b/game/addons/mat_maker_gd/editor/mm_graph_node.gd
@@ -1,7 +1,7 @@
 tool
 extends GraphNode
 
-export(PoolColorArray) var slot_colors : PoolColorArray
+var slot_colors : PoolColorArray
 
 var _material : MMMateial  = null
 var _node : MMNode = null
@@ -10,7 +10,7 @@ var properties : Array = Array()
 func _init():
 	show_close = true
 	connect("offset_changed", self, "on_offset_changed")
-
+	
 func add_slot_texture(input_type : int, output_type : int, getter : String, setter : String) -> void:
 	var t : TextureRect = TextureRect.new()
 
@@ -50,12 +50,12 @@ func add_slot(input_type : int, output_type : int, getter : String, setter : Str
 	if output_type != -1:
 		set_slot_type_left(slot_idx, output_type)
 		
-	if slot_colors.size() > input_type:
+	if input_type != -1 && slot_colors.size() > input_type:
 		set_slot_color_left(slot_idx, slot_colors[input_type])
 		
-	if slot_colors.size() > output_type:
-		set_slot_color_left(slot_idx, slot_colors[output_type])
-		
+	if output_type != -1 && slot_colors.size() > output_type:
+		set_slot_color_right(slot_idx, slot_colors[output_type])
+
 	return slot_idx
 
 func set_node(material : MMMateial, node : MMNode) -> void:
diff --git a/game/addons/mat_maker_gd/nodes/noise/perlin.gd b/game/addons/mat_maker_gd/nodes/noise/perlin.gd
index 0be1b4d5..4627fd8b 100644
--- a/game/addons/mat_maker_gd/nodes/noise/perlin.gd
+++ b/game/addons/mat_maker_gd/nodes/noise/perlin.gd
@@ -14,5 +14,5 @@ func get_value_for(uv : Vector2, slot_idx : int, pseed : int) -> Color:
 	return NoisePerlin.perlinc(uv, scale, iterations, persistence, pseed)
 
 func register_methods(mm_graph_node) -> void:
-	mm_graph_node.add_slot_texture(0, 0, "recalculate_image", "")
+	mm_graph_node.add_slot_texture(SlotTypes.SLOT_TYPE_NONE, SlotTypes.SLOT_TYPE_IMAGE, "recalculate_image", "")