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  Indian J Med Microbiol
 

Figure 5: Illustrating the CIELAB color in three-dimensional color space with three axes, that is, L*, a*, and b* where L* = lightness of an object; L* 0 = perfect black; and L* value of 100 = perfect reflecting diffuser. Positive a* = redness; negative a* = greenness; positive b* = yellowness; negative b* = blueness

Figure 5: Illustrating the CIELAB color in three-dimensional color space with three axes, that is, L*, a*, and b* where L* = lightness of an object; L* 0 = perfect black; and L* value of 100 = perfect reflecting diffuser. Positive a* = redness; negative a* = greenness; positive b* = yellowness; negative b* = blueness