most of the insides are about the same as a mg kit Blueish grey for some and grey for the others, thr rx-78 is mainly black.
yea i need to get that site going, i am so freekin lazy however, i have the whole gundam fix set, all of the PG's including the Wing Zero, Zaku and a just about finished RX-78 with the G-system ver ka uprade, I painted mine to look like the RX-78 3 with a low viz grey scheme, 30 something MG a ton of Chogokins and Macross 1/48's i just never get around to it
soon i promise very soon, (although I have said that for about 6 months )