I just had my Ty painted not too long ago with a paint scheme similar to what you're talking about. My cladding was the normal argent gray color and when I got the new paint I changed it to more of a silvery kind of gray. here's a pic of the cladding before it went back on the truck-
You can't tell so much from the pics as you can in person, but from further away it looks more gray, as you get closer the silver flake stands out more giving it more of an overall silver look.
Here's a pic of the whole truck right after I left the paint shop-
For more pics click the link in my sig.