diff --git a/color/Colored.gd b/color/Colored.gd
index 02accbe..8fc24c7 100644
--- a/color/Colored.gd
+++ b/color/Colored.gd
@@ -3,7 +3,9 @@ class_name Colored
 
 @export var shader: Shader
 
-@onready var hue: float:
+@onready var parent: Sprite2D = get_parent()
+
+var hue: float:
 	get:
 		return hue
 	set(value):
@@ -11,13 +13,12 @@ class_name Colored
 		if parent.material:
 			parent.material.set_shader_parameter("hue", value)
 
-@onready var parent: Sprite2D = get_parent()
-
 
 func _ready():
 	var material = ShaderMaterial.new()
-	hue = Randomizer.rng.randf()
 	material.shader = shader
 	parent.material = material
 
-	
+
+func randomize_hue():
+	hue = Randomizer.rng.randf()
diff --git a/converters/converter.gd b/converters/converter.gd
index 18ac54a..b7a14f2 100644
--- a/converters/converter.gd
+++ b/converters/converter.gd
@@ -57,3 +57,9 @@ func _on_input_event(_viewport: Node, event: InputEvent, _shape_idx: int):
 	if is_pending_deletion:
 		if event is InputEventMouseButton or event is InputEventScreenTouch:
 			queue_free()
+
+
+func _on_gold_converter_spawner_spawned(what: RigidBody2D):
+	# Randomize gem colors.
+	var colored: Colored = what.get_node("CollisionShape2D/Sprite/Colored")
+	colored.randomize_hue()
diff --git a/converters/gold_to_gem/gold_converter.tscn b/converters/gold_to_gem/gold_converter.tscn
index 95f195e..6d321f6 100644
--- a/converters/gold_to_gem/gold_converter.tscn
+++ b/converters/gold_to_gem/gold_converter.tscn
@@ -153,4 +153,5 @@ stream = ExtResource("11_lofho")
 [connection signal="input_event" from="." to="." method="_on_input_event"]
 [connection signal="collected" from="Collector" to="." method="_on_collector_collected" flags=18]
 [connection signal="goal" from="Collector" to="." method="_on_collector_goal" flags=18]
+[connection signal="spawned" from="Spawner" to="." method="_on_gold_converter_spawner_spawned"]
 [connection signal="timeout" from="ConversionTimer" to="." method="_on_timer_timeout" flags=18]