Merge pull request #9047 from Poojawa/syntheticbloods

RGB Blood Reworks + Blood generator

code/datums/mutable_appearance.dm

@@ -10,10 +10,11 @@
 						// And yes this does have to be in the constructor, BYOND ignores it if you set it as a normal var
 
 // Helper similar to image()
-/proc/mutable_appearance(icon, icon_state = "", layer = FLOAT_LAYER, plane = FLOAT_PLANE)
+/proc/mutable_appearance(icon, icon_state = "", layer = FLOAT_LAYER, plane = FLOAT_PLANE, color = "#FFFFFF")
 	var/mutable_appearance/MA = new()
 	MA.icon = icon
 	MA.icon_state = icon_state
 	MA.layer = layer
 	MA.plane = plane
+	MA.color = color
 	return MA