Here are some Color Recipes for Warhammer 40,000 Tau Empire from Gallery: Tau Empire. Please take note that this is a simple color scheme, not covering multiple overlapping layers and blends in between, that lead to the final product. It is supposed to be used as guideline not a step-by-step.
White Armor:
Desert Tan (val primer),
White (val primer),
Scrofulous Brown (val),* stencil stripes
White (val), scratches
Clothes / Mesh:
Panzer Dark Grey (val a) *
– White Armor –
Panzer Dark Grey (val a), wash
Cold Grey (val a), flbr
CLOTHES: Strong Tone Ink (ap), wash
Weapons:
Panzer Dark Grey (val a),
Cold Grey (val), weathering, edge highlight
Weathering:
Smokey Ink (val), stpl
Desert Yellow (val a),*
German Red Brown (val primer), *
Blue OSL:
Light Sea Blue (val a), bl / *
White (val), l&p
Guilliman Blue (gw), glaze
Bases:
German Red Brown (val primer),
Mix Martian Ironcrust (gw texture) 1:1 Martian Ironearth (gw texture), texture
Orange Fire (val), flbr
Lugganath Orange (gw), drbr
TUFT: Army Painter Wasteland Tuft
TUFT: Gamers Grass Burned Tuft
l&p – lines and points,
p – points,
dl – deep lining,
bl – blend,
gl – glaze,
drbr – drybrush,
flbr – flatbrush,
lobr – loaded brush,
stpl – stippling,
*Airbrushed (with multiple layers and mixes)