The SAS won't describe their pink but others have said it's red oxide plus white, so as long as it 'looks right' to you, it should be correct. Since you're using Tamiya paints, you can either mix red and white or adjust their pink color.
if you want one pre-mixed, Lifecolor has an acrylic "Desert Pink"
http://www.bnamodelworld.com/lifecolor-lc-ua230-acrylic-paint-desert-pink-22ml