Table 1.
Color changes of the Re-WDF dyed with various amount of natural dyes

Type of natural dye	Amount of natural dye (g/L)	Hunter' s Value				Munsell' s Value
		L*	a*	b*	ΔE*	H		V		C
						Before	After2)	Before	After2)	Before	After2)
Control	0	76.05	5.21	22.18	-	0.2Y	0.6Y	7.5	6.7	3.5	5.3
Sappan wood	10	74.51	6.72	24.71	3.33	9.9YR	0.1Y	7.4	6.6	4.0	5.3
	20	72.91	8.23	27.64	6.99	9.8YR	9.6YR	7.2	6.5	4.5	5.4
	30	72.12	9.04	29.00	8.76	9.6YR	9.4YR	7.2	6.4	4.8	5.6
	50	70.69	10.31	30.44	11.10	9.4YR	9.0YR	7.0	6.3	5.1	5.6
	100	67.52	12.81	34.26	16.68	9.0YR	8.1YR	6.7	5.9	5.9	5.9
Gardenia	10	72.05	9.60	43.06	21.71	1.8Y	0.9Y	7.2	6.6	6.8	5.7
	20	69.51	12.52	51.50	30.93	1.5Y	0.9Y	6.9	6.6	8.2	5.9
	30	67.83	14.88	56.88	36.95	1.1Y	0.7Y	6.8	6.5	9.1	6.3
	50	66.32	17.52	59.51	40.50	0.4Y	0.6Y	6.6	6.5	9.7	6.4
	100	64.82	20.84	63.38	45.48	9.5YR	0.2Y	6.5	6.4	10.6	7.0

Dyeing conditions ; Temperature : 60 °C, Time : 60 minutes
After of ultraviolet irradiation treatment for 24hr.