Table 3. Color characteristics of various natural dyed Hanjis after 72 hr. UV radiation

Type of natural dye	UV radiation (hr.)	λmax (nm)	K/S	CIE Lab				Munsell’s value
				L*	a*	b*	∆E	H	V	C
1	0	360	0.49	86.81	–0.30	7.96		4.3Y	8.58	0.94
	72	360	0.49	87.36	–0.63	10.06	2.23	5.1Y	8.64	1.19
2	0	360	1.32	84.56	–0.09	15.86	8.21	4.0Y	8.37	2.02
	72	360	0.82	85.80	–0.58	14.99	1.24	4.8Y	8.5	1.86
3	0	360	2.66	75.33	4.27	22.78	19.25	1.2Y	7.45	3.44
	72	360	1.59	80.85	2.41	21.88	6.33	2.3Y	8.01	3.14
4	0	360	4.19	77.11	2.83	24.20	19.14	2.3Y	7.63	3.50
	72	360	3.96	74.10	4.44	25.52	3.17	1.6Y	7.33	3.83
5	0	360	1.00	84.33	0.52	24.82	17.06	4.7Y	8.39	3.41
	72	360	0.41	87.15	–0.47	10.89	15.22	5.1Y	8.63	1.32
6	0	360	1.23	85.40	–0.33	13.29	5.50	3.9Y	8.45	1.64
	72	360	0.86	86.19	–0.34	13.34	0.67	4.2Y	8.53	1.65
7	0	360	1.40	85.45	–0.28	14.44	6.61	4.2Y	8.46	1.80
	72	360	0.77	87.20	–0.41	11.68	3.06	4.5Y	8.63	1.42
8	0	360	1.91	86.38	–4.31	22.18	14.79	9.8Y	8.57	2.75
	72	360	0.73	85.77	–0.05	15.39	8.42	4.1Y	8.5	1.96
9	0	370	9.44	28.92	0.68	2.57	58.05		2.82	0.42
	72	370	9.69	28.67	0.68	2.63	0.03		2.8	0.43
10	0	650	6.04	38.30	–2.64	–14.32	53.34	3.7PB	3.67	3.45
	72	650	5.82	39.59	–3.19	–14.36	0.98	3.3PB	3.79	3.53
11	0	530	2.69	49.74	19.58	1.10	42.54	7.7RP	4.84	4.93
	72	530	2.40	50.78	17.43	1.72	3.14	8.3RP	4.94	4.43
12	0	360	0.96	76.07	4.01	7.84	11.49	5.8YR	7.49	1.57
	72	360	0.57	85.38	0.61	12.23	11.59	2.7Y	8.45	1.59
13	0	360	1.05	78.26	5.81	8.82	10.57	3.2YR	7.71	2.15
	72	360	0.70	82.34	2.89	10.62	6.67	8.8YR	8.13	1.71
14	0	360	1.39	76.93	8.63	21.23	18.77	8.2YR	7.62	3.75
	72	360	1.19	79.99	4.54	18.75	5.79	0.2Y	7.92	2.93
15	0	360	0.94	91.70	2.78	–12.83	21.59		9.02	3.94
	72	370	0.37	92.01	0.55	–5.45	7.37		9.08	2.18