How to remove overlap on different channels?

Technical & Engine Help Unreal Engine Help
#1

I’m working on an effect based on this concept art and have gotten the material mostly set up, but there’s some polishing that I’m having trouble with.

holograffiti_material_example
holograffiti_material_example1619×778 135 KB

holograffiti_depth_overlap

Wherever the pink center face and the blue outline meet, they overlap and create this white color, as seen on the right, which I want to get rid of. Only the pink face should be visible on those spots. How should I handle that?

Additionally, after I added the depth offset to the blue outline, I started getting this black fill in the blank space between the center face and the outline. How can I get rid of that as well?

This is another view of the white overlap on its own, without adding the offset:
holograffiti_overlap

#2

Lerp between blue and pink based on the pink texture instead of just adding the results together.

#3

I tried that but nothing changed unfortunately. Cleaned up the material a little bit as well.

image
image1803×775 156 KB

#4

Connect Alpha_B to alpha of lerp, and the pink straight into a