Analysis of pigments and damages for the 19th century White-robed Water-moon Avalokitesvara Painting in Gongju Magoksa Temple, Republic of Korea

Heritage Science

Table 2 Descriptive values statistics (mean, standard deviation, maximum and minimum) for the CIELab colour parameters of the painting in this study

			L*	a*	b*	C*_ab	h_ab			L*	a*	b*	C*_ab	h_ab
Blue	1	Mean	65.56	− 1.29	11.56	65.56	96.15	Red	Mean	39.92	20.72	17.04	39.92	40.10
		SD	0.08	0.69	1.85	0.69	2.38		SD	3.80	5.02	2.37	5.02	8.17
		Max.	65.62	− 0.80	12.87	12.87	97.83		Max.	46.22	30.39	19.68	19.68	52.34
		Min.	65.50	− 1.77	10.25	10.28	94.46		Min.	32.96	12.71	12.45	20.80	29.07
	2	Mean	70.71	− 5.08	10.52	70.71	116.09	Black	Mean	34.52	1.81	6.59	34.52	79.22
		SD	2.39	0.97	1.49	0.97	6.68		SD	12.92	3.50	9.54	3.50	4.84
		Max.	72.89	− 3.73	12.17	12.17	122.15		Max.	58.65	8.95	25.86	25.86	85.80
		Min.	68.06	− 6.04	8.96	10.46	108.21		Min.	25.42	0.25	1.27	1.29	70.91
Green		Mean	48.01	− 10.17	4.12	48.01	156.76	White	Mean	73.35	0.84	15.78	73.35	87.85
		SD	5.08	3.88	3.36	3.88	15.76		SD	8.48	1.64	4.43	1.64	6.21
		Max.	56.50	− 3.87	11.75	11.75	184.27		Max.	80.72	2.66	21.78	21.78	101.85
		Min.	42.18	− 15.70	− 1.10	5.80	128.82		Min.	53.87	− 2.55	8.36	8.36	82.34
Yellow	1	Mean	57.41	10.68	26.40	57.41	67.90	Violet	Mean	52.35	− 0.57	− 1.24	52.35	61.20
		SD	3.19	0.99	2.93	0.99	1.95		SD	1.32	0.18	0.71	0.18	20.66
		Max.	60.56	11.75	28.75	28.75	69.50		Max.	53.28	− 0.44	− 0.74	− 0.74	75.81
		Min.	54.53	9.36	22.62	24.48	65.30		Min.	51.42	− 0.70	− 1.74	1.02	46.59
	2	Mean	59.41	3.38	30.54	59.41	83.94	PINK	Mean	64.87	9.26	13.80	64.87	53.42
		SD	2.41	2.65	5.70	2.65	4.33		SD	2.43	5.67	3.33	5.67	9.14
		Max.	61.02	5.75	37.08	37.08	88.93		Max.	68.42	17.21	18.43	18.43	59.88
		Min.	56.64	0.52	26.61	26.89	81.19		Min.	62.92	3.91	10.65	13.76	46.96