What medium was used to make the bayeux tapestry?

It is made out of linen (eight bands sewn together) and is 270 feet long and about 20 inches wide. It was once even longer but part of the tapestry at the end – after the Battle of Hastings– has been cut off. The writing on the tapestry is in Latin. The main stitches used are stem stitching and laid-and-couched stitching.
Eight colours can be made out from the tapestry; the five main colours are blue-green, terracotta, light-green, buff and grey-blue. There are also places where very dark blue, yellow and a dark green have been used. The colour of skin has been left as the colour of the linen.

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