Skin tone/texture gets pale/white on export?

Skin tone/texture gets pale/white on export?
If I export a MH model into either blender or directly into UE4, whe skin is paler than it was shown on the MH model. Why is that? Any fixes?
If I export a MH model into either blender or directly into UE4, whe skin is paler than it was shown on the MH model. Why is that? Any fixes?