What is the meaning of Greige?

Of clothing, textiles, etc.: neither bleached nor dyed, nor otherwise fully processed; unfinished.

Of a colour like that of unbleached or undyed fabric, between grey and beige.

A colour like that of unbleached or undyed fabric between grey and beige, closely akin to taupe.

Clothing, textiles, etc., which have neither been bleached nor dyed, nor otherwise fully processed; greige goods.

Source: wiktionary.org