I'm trying to build a Tamiya B1 Bis, but I'm departing from the standard kit camo suggestions. This is what I'm going for:-

and this is where I am:-

(the green and brown have come out very hard in the photo)
Has anyone got any reference for the upper hull/front camo in this scheme? A proper schematic would be great, then I can scale it up for my masks.
Thanks in advance
Andy