L*

59.2 ± 0.1d

64.3 ± 0.1a

63.7 ± 0.1b

59.6 ± 0.2c

57.2 ± 0.2f

57.8 ± 0.2e

57.7 ± 0.2e

a*

6.5 ± 0.1a

5.7 ± 0.1c

5.9 ± 0.0b

4.6 ± 0.1f

5.6 ± 0.1c

5.0 ± 0.1e

5.5 ± 0.1d

b*

18.6 ± 0.0c

19.5 ± 0.4b

20.0 ± 0.0a

16.4 ± 0.1e

17.3 ± 0.0d

16.2 ± 0.0e

17.4 ± 0.1d

ΔE

42.3 ± 0.1b

38.2 ± 0.6e

38.9 ± 0.1d

40.7 ± 0.2c

43.3 ± 0.2a

42.4 ± 0.2d

43.0 ± 0.1a

Whiteness

54.7 ± 0.1d

58.9 ± 0.3a

58.1 ± 0.1b

56.2 ± 0.2c

53.5 ± 0.2f

54.5 ± 0.2b

53.9 ± 0.1e