black brown color denim fabrics this invention is the achievement of dyeing reactive direct pigment acid disperse and other non vat sulfur or its combinations of non vat sulfur dyes or combinations between vat sulfur dyes and vat sulfur dyes on continuous yarn dyeing machines and relevant apparatus its products are also very distinguishable especially its combinations hence is a part of the invention application_number US 201414272517 A description as used herein and in the claims u201c comprising u201d means including the following elements but not excluding others now referring to fig1 fig2 and fig3 the present invention in one aspect is a denim comprising a plurality of wrap threads 20 and a plurality of weft threads each of the wrap threads 20 further comprises a first yarn 22 and a dye coating that is disposed on the first yarn 22 in which the dye coating comprises a plurality of different dyes at least one of the plurality of dyes in the dye coating i e first dye 24 at least partially reveals and only partially covers another different dye immediately there below i e second dye 26 and the bottom most dye i e second dye 26 only partially covers the first yarn 22 such that the dyes i e both first dye 24 and second dye 26 are not disposed on at least a portion of the first yarn 22 thereby showing the wrap thread with a plurality of colors each weft thread only consists of a second yarn without any dye thereon in an exemplary embodiment each of the wrap threads 20 further comprises a.