Table 3.

Variability in color measurement using shade tabs with a fixed camera tab distance. The color measurements from five photographs of each tab (A1~A4) were merged.

			95% CI
	Average 1	SEM	Lower Bound	Upper Bound
CV of L* value	0.0052	0.0006	0.0040	0.0063
CV of a* value	0.0322	0.0028	0.0268	0.0376
CV of b* value	0.0116	0.0035	0.0048	0.0048

¹ n = 4.