Another one of Matt's excellent guides. As always all Paints are from The Wargames Foundry Paint System unless otherwise stated. Paints Used
Black Undercoat
Tanned Flesh (GW)
Ruby Red (GW)
Dark Flesh (GW)
Bestial Brown (GW)
Vermin Fur (GW)
Crimson Gore (GW)
Dusky Flesh 6 b
Brick Red 59 b,c
Palomino 56 b,c
White 33 c
Arctic Grey 33 a,b
Spear Shaft Brown 13 a,b,c
Butter Fudge 55 a,b,c
Boneyard 9 a,b,c
Stone 57 a,b,c
Slate Grey 32 a,b,c
Terracotta 37 b
Yellow 2 a,b,c
Ochre 4 a,b,c
Black 34 a
Scarlet 38 a,b,c
Bright Green 25 a,b,c
Deep Blue 20 a,b,c
Buff Leather 7 b
Base Sand 10 b
First Undercoat the miniatures in Black

Skin
Dusky Flesh 6 b basecoat then Tanned Flesh (GW) then Brick Red 59 b, finally highlight with Brick Red 59 c

Loin Cloth
1. Palomino 56 b, then Palomino 56 c, then White 33c
2. Arctic Grey 33 a, then Arctic Grey 33 b, then White 33 c

Wood Grain
Spear Shaft Brown 13 a, then Spear Shaft Brown 13 b, then Spear Shaft Brown 13 c

Head Bands
Arctic Grey 33 b, then White 33 c, or Ruby Red (GW)

Straps
Butter Fudge 55 a, then Butter Fudge 55 b, then Butter Fudge 55 c.

Quivver
Dark Flesh (GW) then Bestial Brown (GW) then Vermin Fur (GW)

Arrow Flights
Boneyard 9 a, then Boneyard 9 b, then Boneyard 9 c

Flints and Weapons
Stone 57 a, then Stone 57 b, then Stone 57 c.

Hair
Slate Grey 32 a, then Slate Grey 32 b, then Slate Grey 32 c.

Shoes
Crimson Gore (GW), then Ruby Red (GW), then Terracotta 37 b.

Instead of listing every single colour on each miniature Matt has listed the main colour below with a further explanation.


Leader

White Loincloth / Yellow and Gold Headdress / White Feathers / Red Cloak
Standard

Yellow War Suit / Dark Red Standard / Yellow Butterflies / Red Centres Flowers / Green Leaves
War Suits
1. Coyote - Yellow Suit and Red Collar
2. Macaw - Red Suit and Feathers
3. Peccary - Black/Grey Suit
4. Lion Ochre Suit and Red Collar

Archer
White Feather Headdress

Warrior
The Predominant Colours throughout Tlaxcaltecs is Red and White, random colour throughout unit.

Yellow
1. Yellow 2 a, then Yellow 2, b, then Yellow 2 c
2. Ochre 4 a, then Ochre 4 b, then Ochre 4 c

Red
1. Black 34 a + Crimson Gore (GW) mixed 50/50 then Crimson Gore (GW), then Ruby Red (GW)
2. Scarlet 38 a, then Scarlet 38 b, then Scarlet 38 c

Green
Bright Green 25 a, then Bright Green 25 b, then Bright Green 25 c

White
Arctic Grey 33 a, then Arctic Grey 33 b, then White 33 c

Black
Storm Blue 39 a , then Storm Blue 39 b, then Storm Blue 39 c

Blue
Deep Blue 20 a, then Deep Blue 20 b, then Deep Blue 20 c

Shields
Red or Yellow Field
White Stones
Red/White/Yellow Rim

Bases
Dark Flesh (GW) basecoat then Buff Leather 7 b, then Base Sand 10 b.

Sides
Dark Flesh (GW)

Static Grass was dry brushed with Boneyard 9 b