unicron grey white or silver face

making 38 inch full true to evrything gen 1 floro dery unicron design from 1984/86 orginal movie not dark of the moon or micheal bay movies..5 more weeks to decepticon terror ...eat lead optimus prime..anyway thinking about painting just jaw chin grey as i notice at end show rolling credits.. and i really love his face a white silver or just white..what you think..yes make full planet ..every part of him transforms even vents..pitures on my other posts of progresion from white plastic to now still got 2 weeks work..shows planet in white