diff --git a/game/scripts/interface/color_picker.rpy b/game/scripts/interface/color_picker.rpy
index 4ff9cad0..8d60eda7 100644
--- a/game/scripts/interface/color_picker.rpy
+++ b/game/scripts/interface/color_picker.rpy
@@ -234,11 +234,9 @@ define hue_gradient_image = HueSlider()
 
 init -1 python:
 
-    def color_picker(color=[0,0,0,0], alpha=True, title="Pick a colour", pos_xy=(240, 130), color_default=None):
-        # TODO: Remove external dependencies and utilise built-in Color class instead.
-
+    def color_picker(color=(0,0,0,0), alpha=True, title="Pick a colour", pos_xy=(240, 130), color_default=None):
         global picking_color
-        picking_color = color # Color object (list) to be updated live
+        picking_color = list(color) # Color object (list) to be updated live
         start_color = list(color) # Keep a copy
 
         renpy.show_screen("color_picker", tuple(color), alpha, title, pos_xy, color_default)