I have something to share with you all. Remember how I said colour values where held in vectors in your save files? I decided to mod my ME3 save a little such that these colour values were the same as those in my ME2 save, with a little help from Visual Studio 2008 and ME2CRC. This was done by hand, hex editing, not using any save editors.
Left is original that ME3 CC set up. Right is my modded version using ME1 colour pallete. Notice how the face code is the same. These are the colour values from ME1, not ME2. I'm going to try experimenting with some of the other values soon.
Original link: http://social.bioware.com/forum/1/topic/323/index/9661093/113#9779363