Krylon to Tamiya/Humbrol conversion (Tie paint)

I can't find an online conversion. Does anyone know what the equivalent Humbrol or Tamiya paint is for Krylon #51318 Grey Primer and Krylon #20010 Grey primer? I believe these are the colors commonly used for Tie details.

 

This is gonna be a long-winded 'No', but...:

This reminded me that I've contacted Krylon a couple of times to ask about any sort of FS matching. No reply that I can recall (about 4+ yrs since last, though), but why not write to them directly? If you can get FS numbers on the Krylon, then just hit the ipms site. I think I asked on two or three other model forums as well, and a few of the WWII aircraft guys have good leads if you're looking for a few of the tans/browns and greens, but again, I don't recall anything on the two grey primers.

Color Reference Charts - Federal Standard

 

So, nobody in the UK has painted a studio scale Tie? :darnkids