[Imperial Dynasty 1 Chest and Bottoms]

Wait... I think I see whats happening... it appears that there is some sheer fabric over what appears is skin tone on both tops and bottoms. It just happens that choosing orange gives a skin tone to the sheer fabric. Using an alternate color changes the sheer fabric color:

Having said that, it appears that the skin tone has no effect on the tone of the color, it is entirely driven by the primary color of the top and bottoms. Not sure if this is intended.

[Imperial Dynasty 1 Chest and Bottoms]

I was designing a costume and in my game client, the Imperial Dynasty 1 for both chest and bottoms for the female model do not take on the skin color I've chosen: