This guy is part number 0441/3 in the 1995 catalogue, and 010103603 in the later catalogues.
Undercoat: Vallejo Mecha Black
Blue: Scale75 Artist Cobalt, shaded with Prussian Blue, highlighted with Primary Blue and a mix of Primary Blue and Art White. Shaded again with Drakenhof Nightshade.
White: Artic Blue mixed with Art White, highlighted with Art White. Shaded with Drakenhof Nightshade.
Bone and parchment: Pink Flesh then Off White, highlighted with Art White and shaded with Targor Rageshade.
Red: Off White followed by Berserker Bloodshade.
Green: Sap Green highlighted with Primary Yellow. Dot of Art White on the lens