The TV Rear Hair 1 c has the wrong number part. I saw from your thread that you were having issues with p607 too so I've made them
both!
Looking at the pieces, I think something might be going wrong in the way you've saved them. They're looking a bit fuzzy, not pixel perfect as they should be. That noise generates a lot of extra colours that might be messing with your colour masks.
Else, you might be using the wrong tools. Make sure whatever you're doing isn't using anti-aliasing, or it'll give you soft edges!
I also recommend picking your base colours directly from another generator piece. That helps keep them all uniform with the rtp ^^
The generator can be a pain, but hang in there!