It sure looks like it when I compare it to the Dupont PDF in the previous thread. But I can't guarantee it.
Although I can't find it anywhere, I vaguely remember hearing that Mazda's cladding was Mineral Gray, which did have a tan-brown color to it.
I tried to find a 2004 Tribute order guide on the internets, but I could only spend a few minutes looking today. No luck so far...