::Painting Skin Textures:: by *BikerScout on deviantART. Skin Tones Tutorial, skin, tone, skin tone. Why do we use a Pallette? Our eyes can sometimes deveive us. Everyone's eyes see slightly different colors. One person will see a purple color, while another will see a blue. Those that are colorblind cannot distinquish some colors from another. While we see it to be a good skintone, it may not be seen as one to someone else. Also, depending on the monitor that you own, you may see a different color than other computers. Also, these color pallettes are used professionally.
You can also take colors from the lips, eyes and hair to help with realistic color of those.