While I have been talking over and over again about the various colors I have been using on the sword blades for all the SE-NMM, let's not lose sight of all the fun on the skin colors.
There is only the faces and hands, but it has been important to make sure that it does not get too warm, or too pink. I have had to mix in enough of the blueish grays to push it a bit towards the green.
This will keep the skin colors from getting 'lost' among all the nearby yellow.
In addition, the overhanging black hats determined this line of coloration. Not only would the faces be in more shadow than usual, the skin would be reflecting those colors to some degree, much like your face reflects the color of the shirt you are wearing.
Think of that the next time you get dressed in the morning! :-)