“…, (2-3),(4)(5), which is better than treating polyester fabrics after the dyeing process (Posttreatment), where they were ((3-4), (2-3), (2), and (3-4) respectively. For dyes 4, 6 the opposite is happened where the value of light fastness was ( (4-5), (4)) versus ((3-4), (2-3)).…”