Sand beige with Silver? That's not a combination I would want to see. You sure that is available?
Who knows how things will change?
Currently if you go to Toyota's website and use the configurator, the SR5 and SR5 Premium can pair Silver with Sand Beige in both cloth and leather. The Limited edition locks out Silver and Mag Grey with the selection of Sand Beige. SR5 is not currently available in Blue, however, Shoreline Blue on the Limited can be paired with Sand Beige so I'd imagine the new blue will continue that.