they diped in the river
The Celts made clothes out of wool, linen, and leather. They would use natural dyes to add colors to their clothing and often decorated them with intricate patterns and designs.
Typically wool and linen
Blue
Good quality wool can be any colour.
by puting in colour
When you add copper sulphate solution to iron wool. The iron wool turns copper in color and the copper sulphate solution turns pale blue as the iron displaces the copper from the copper sulphate solution forming iron sulfate.
The colour of felt is determined by the colour of the wool or other fabrics used to make it. It can be any colour.
The Celts used natural dyes made from plants and minerals to color their wool. Common dye sources included plants such as woad, madder, and weld, which produced shades of blue, red, and yellow respectively. The wool was typically soaked in the dye solution for an extended period of time to achieve the desired color.
Either Grey, Brown, White or Black.
"Beige" is a yellowish-grey colour, similar to unbleached wool.
they were about the same color of an African elephant with brown or redissh wooly hairs.
Wool is graded according to the diameter of the fibre, its crimp, yield, staple strength and colour. You can read more, below.