Skip to main content
. Author manuscript; available in PMC: 2013 Jun 11.
Published in final edited form as: J Forensic Nurs. 2010 Fall;6(3):144–150. doi: 10.1111/j.1939-3938.2010.01070.x

Table 3.

Mean L*, a*, and b* values by race/ethnicity

L* a* b*
Asian (N = 1)
 Skin 65.28 19.69 39.26
 External mucous membrane 33.56 22.22 27.78
 Internal mucous membrane 38.56 32.44 36.33
Black, non-Hispanic (N = 100)
 Skin 53.82 (14.99) 14.79 (6.91) 20.91 (12.61)
 External mucous membrane 46.99 (11.24) 15.80 (8.05) 17.94 (13.00)
 Internal mucous membrane 61.81 (12.89) 25.23 (8.20) 21.72 (15.40)
White, non-Hispanic (N = 131)
 Skin 75.04 (10.28) 17.57 (6.54) 27.18 (13.86)
 External mucous membrane 58.47 (11.51) 26.52 (9.53) 25.40 (14.88)
 Internal mucous membrane 59.43 (12.41) 27.10 (9.24) 22.26 (15.58)
White, Hispanic (N = 1)
 Skin 83.25 14.79 14.74
 External mucous membrane 45.44 7.11 3.56
 Internal mucous membrane 58.67 16.44 5.56
Other (N = 1)
 Skin 67.84 26.87 47.47
 External mucous membrane 45.78 21.56 31.22
 Internal mucous membrane 77.11 27.11 49.44