Authentic colours

modern textiles woven and dyed in best approximation of known finds

Lichen ,madder and rusty nails are the key colourants here-alum and urine are needed as mordant and fixative.

Madder is interesting as a similar colour can, in certain circumstances , be achieved by using ox's blood diluted with lime, rose madder is usually a cloth dye , madder as a "blood " colour usually a house paint.

Lacertus please note the woven check favoured by the Celts.