For comparison, here are the values of Nikon "sRGB" (Nikon sRGB 4.0.0.3002 created 2/20/09). It is based on 4096-point curve, media WP 0.95050049, 1.0, 1.08909607 PCS WP (illuminant) 0.96420288, 1.0, 0.8249054 ICC spec 2.2.0 default rendering intent - perceptual 255.000000 255.000000 255.000000 [RGB] -> MatrixFwd -> 99.999410 -0.000094 -0.005950 [Lab] 242.000000 242.000000 242.000000 [RGB] -> MatrixFwd -> 95.492965 -0.000091 -0.005719 [Lab] 201.000000 201.000000 201.000000 [RGB] -> MatrixFwd -> 80.964226 -0.000079 -0.004973 [Lab] 161.000000 161.000000 161.000000 [RGB] -> MatrixFwd -> 66.243210 -0.000067 -0.004218 [Lab] 122.000000 122.000000 122.000000 [RGB] -> MatrixFwd -> 51.221388 -0.000055 -0.003448 [Lab] 83.000000 83.000000 83.000000 [RGB] -> MatrixFwd -> 35.299066 -0.000042 -0.002631 [Lab] 49.000000 49.000000 49.000000 [RGB] -> MatrixFwd -> 20.324833 -0.000030 -0.001863 [Lab] 0.000000 0.000000 0.000000 [RGB] -> MatrixFwd -> 0.000000 0.000000 0.000000 [Lab] -- Iliah Borg ib@xxxxxxxxxxx