// Start is called before the first frame update void Start() { XAxis.GetComponent <MeshRenderer>().material.SetColor("Axis", new Color(1, 0, 0, 1)); YAxis.GetComponent <MeshRenderer>().material.SetColor("Axis", new Color(0, 1, 0, 1)); ZAxis.GetComponent <MeshRenderer>().material.SetColor("Axis", new Color(0, 0, 1, 1)); }