Wrong. It refers to the color of the skin.Posted by HORIZONS (here)
Adam means "red in the face" - he represents the white race, for you can see this in his blush. They were deposited here to learn and grow and become a new species that has never existed before. But with his knowledge of good and evil he (the race) is walking down both paths simultaneously - and you can see the results all around you.
The name is such, so the Adamites can be differentiated among the other tribes, who had a different pigmentation. Mostly greenish skin.