Hi Bridlufc,
I agree with you somewhat. They now make some beautiful moulded kits, with equally nice decals, yet still have 'their paint' mixes rather than the actual colour EG. 'Medium Sea Grey'
I think they are missing a trick here, they could put the actual/recognised colour on the painting guide, then refer to their mix guide to achieve the colour required if only their paints were available.
That would satisfy the serious modellers, like you and me, but also those who are not particularly bothered as to accuracy to its far limits.
Perhaps they might take notice in time, otherwise it will be down to some checking of references I'm afraid.
Cheers,
Bigkev