It seems that the attachment project's assets are Incorrectly displayed regarding LOD VertexColor until paint mode is selected.
I attached the movie to explain this problem by licensee.
Near LOD0 seems correct
[Image Removed]
Far LOD1 semms incorrectly
[Image Removed]
And you can see detailed explanation from a attached movie
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-28563 in the post.