Color         Actual        Expected      dE
--------------------------------------------
Dark Skin     115,80,64     115,80,64     0
Light Skin    195,150,130   195,151,130   1
Blue Sky      94,123,157    94,123,156    1
Foliage       89,108,65     88,108,65     1
Blue Flower   130,129,177   130,129,177   0
Bluish Green  100,190,171   100,190,171   0
--------------------------------------------
Orange        216,122,37    217,122,37    1
Purplish Blue 72,91,166     72,91,165     1
Moderate Red  194,84,97     194,84,98     1
Purple        91,60,107     91,59,107     1
Yellow Green  160,187,60    160,188,60    1
Orange Yellow 230,163,42    230,163,42    0
--------------------------------------------
Blue          47,60,153     46,60,153     1
Green         70,149,69     71,150,69     1
Red           177,44,56     177,44,56     0
Yellow        239,200,27    238,200,27    1
Magenta       187,82,147    187,82,148    1
Cyan (*)      0,135,166     0,135,166     0
--------------------------------------------
White         243,241,236   243,242,237   1
Neutral 8     201,201,200   201,201,201   1
Neutral 6.5   160,161,160   161,161,161   1
Neutral 5     123,122,121   122,122,121   1
Neutral 3.5   83,83,83      83,83,83      0
Black         50,50,50      50,49,50      1
--------------------------------------------

Result: total RMS color error: 0.84

* Munsell Cyan is outside 255 sRGB gamut