The Brits changed their soft caps for helmets in 1916. The helmets were usually covered with a sandbag cover. (Sand 1706).
Hair, wooden parts of rifles, grenade handles,shovel handle -- Brown, Italian dark (2111)
base--brown Fr. Earth 2108 OR green 2029
NOTES: A Flat Gull Grey (1730) collarless undershirt was worn on work details. A single-breasted Field Drab (1702) overcoat was worn in winter, with a wool knit cap of the same color. During the winter of 1914-15, shaggy goatskin coats or vests [Flat Gull Grey (1730) or a Flat Gull Grey (1730)/Sand (1706) mix] were issued, but not thereafter, making them a mark of distinction during the rest of the war. A Dark Tan (1742) sleeveless jerkin was issued throughout the war. (NOTE: Common for Artillerymen)
The Vicker MG had its own extensive website with photos in colors of real guns from different periods. The site is down now, for expansion and will also cover the WW II BREN gun.
CANADIAN INFANTRY
PART/ITEM -- COLOR
uniform,coth cap,putees,canteen--
belt,pouches,straps,haversack,pack,canteen straps,steel helmet--sand 1706
hair,wooden parts of weapons--brown,ital.dark 2111
shoes--leather 1736
metal parts of weapons--gunmetal 1795
buttons--brass (1914-17) OR gunmetal 1795 (1918)
hands,face--flesh
collar maple leaves--steel
chin strap--
base--brown Fr. Earth 2108 OR green 2029
SERBIAN INFANTRY
PART/ITEM -- COLOR
coat,pants,hat,blanket roll (if present)--faded olive drab 2051
officer great coat lining (lapels)--red russ.marker 2127
officer boots,hat peak (if present)--black
straps,pouches,shoes--leather 1736
haversack and strap--sand 1706
sword handle,sword,officer scabbard,belt buckle--steel
scabbard--black
officer inner collar--black, aircraft int. 2040
collar patch--insignia red 1705
officer shoulder board--gold
wodden parts of weapons,hair--brown ital.dark 2111
socks (if present)--black, aircraft int. 2040 with red 1150, white and green ZnCr 1734 design
metal parts of weapons--gunmetal 1795
rifle strap--leather 1736
hands,face--flesh
moustache--brown ital.dark 2111
base--brown Fr. Earth 2108 OR green 2029
ANZAC INFANTRY
PART/ITEM -- COLOR
coat,pants,hat,canteen,puttees--field drab 1702
shirt--gray, ital.blue 2113
steel helmet--faded olive drab 2051
scabbard,bandolier,holster,shoes,gaiters (if present),officer straps,officer belt--leather 1736
bandolier tabs--brown 1166
straps,haversack,pack--sand 1706
scabbard trim,officer braids,cap emblem--steel
cap peak--black
hair,wooden parts of weapons--brown, ital.dark 2111
metal parts of weapons,canteen top,grenade--gunmetal 1795
shovel handle,grenade handle--wood 1735
buckles--brass
shoulder patch--sea blue 1172 under blue,RAF azure 2048 (4th light horse) OR military brown 1701 over red 1150 (7th Bn) OR military brown 1701 over cobalt blue 2012 (27th Bn) OR red 1150 over cobalt blue 2012 (artillery) OR yellow 1169 inside black (1st MG Bn)
hands,face--flesh
chin strap--leather 1736
rifle strap,hat band--sand 1706
base--brown Fr. Earth 2108 OR green 2029