These are the colors (Testors) which I've found most closely match the pictures (boxes, Osprey books, etc.). For one shade colors, here are the Testors numbers; black (1149 or 1749), white (1168 or 1768), gold (1144 or 1744), silver (1146), steel (1180 or 1780), brass (1182 or 1782), flesh (flat-various available shades or mixtures). All "XF-" colors are Pactra. Testors is sold in Europe under the name "Model Master".
ALL COLOR NUMBERS ARE TESTORS UNLESS OTHERWISE STATED.
NOTE: colors based on "Military Uniforms In Colour", Preban Kannik, Blandford Press, London, 1968., "Uniforms of Waterloo", Philip Haythornwaite, Arms and Armour, London, 1996, and the box art.
NOTE: The term "epaulette" is used for shoulder straps and actual epaulettes (extra material on shoulder).

Some countries changed sides often during this period. The "allies" listed here are those who generally anti French at one time or another.

BRITISH ROYAL HORSE ARTILLERY
BODY PART(S)--COLOR
coat--blue 2031
pants--gray,ital. blue 2113
straps--white
hat, collar center, shoes, scabbard--black
coat, collar, cuffs, pants trim,sash(telescope)--red brit.crim. 2009
collar,cuff trim, coat trim--yellow 1169
hat band (hat with plume)--blue 2031
hair--brown, italian dark 2111
wood--wood 1735
face, hands--flesh
chin, buttons, sword handle, hat button--gold
telescope--brass
sword--silver
plume--white
base--green 2029





BRITISH FOOT ARTILLERY
BODY PART(S)--COLOR
coat--blue 2031
pants--gray,ital. blue 2113
straps,riders belt,epaulette ends--white
hat,collar cntr.,shoes,scabb.,shirt collar--black
pouches,left pouch strap,pdr horn,shirt--camouflage gray 1733
canteen--dark gray 2036
powder horn strap--red brit.crim. 2009
canteen strap,telescope strap,riders inside legs & boot tops--leather 1736
epaulettes, collar,cuffs,sash(off.)--red brit.crim.2009
epaulettes,collar&cuff trim, coat trim--yellow 1169
hat band (hat with plume)--blue 2031
hair,gun--brown, italian dark 2111
ram rod,cannon base,wheels,caisson--wood 1735
cannon,stick,gun barrel--gun metal 1795
wheel rims,bayonet,stirrups--steel
face, hands--flesh
sword handle,belt buck.(rider)--gold
strap buckle, buttons--silver
telescope, powder horn trim--brass
plume--white
chin strap (rider)--black
base--green 2029
HORSE--whatever
blanket roll--blue 2031
blanket trim--red 1150
saddle,straps--leather 1736
buttons,bit--steel
base--green 2029





BRITISH ROCKET TROOPS
BODY PART(S)--COLOR
coat--blue 2031
pants--gray, ital.blue 2113
hat, collar center, shoes--black
straps,gloves,hat plume--white
collar, cuffs, pants stripe,sash(tele)--red 1150
hat band--blue 2031
collar trim,cuff trim, coat trim,hat band stripes,sash stripes--yellow 1169
hair--brown, italian dark 2111
rocket shaft,tripod,wagon,stick--wood 1735
wagon trim,scabbard,wagon wheel rim,tripod top--steel
rocket--gun metal 1795
face--flesh
chin strap,buttons,sword handle,hat trim--gold
telescope--brass
base--green 2029