Print at 100% infill with a layer height of 0.08mm with a base layer of 0.16mm

Filaments Used:
PLA JAYO Black Transmission Distance: 0.3
PLA PolyLite Pro Red Transmission Distance: 1.5
PLA PolyLite Pro Army Beige Transmission Distance: 1
PLA JAYO White Transmission Distance: 6
PLA PolyTerra Pastel Peach Transmission Distance: 3.5

Swap Instructions:
Start with Black
At layer #7 (0.64mm) swap to Red
At layer #8 (0.72mm) swap to Army Beige
At layer #18 (1.52mm) swap to White
At layer #19 (1.6mm) swap to Pastel Peach for the rest.

I ended up using Jayo Red, which is almost unnoticeable in my print as the black hits pretty hard behind it. It would be best to try and use a red that is close to a TD of 1.5 as in this description.