Exodus 39:2-5

Context

39:2 He made the ephod of gold, blue, purple, scarlet, and fine twisted linen. 39:3 They hammered the gold into thin sheets and cut it into narrow strips to weave ¹  them into the blue, purple, and scarlet yarn, and into the fine linen, the work of an artistic designer. 39:4 They made shoulder pieces for it, attached to two of its corners, so it could be joined together. 39:5 The artistically woven waistband of the ephod that was on it was like it, of one piece with it, ²  of gold, blue, purple, and scarlet yarn and fine twisted linen, just as the Lord had commanded Moses.

Exodus 39:21-22

Context
39:21 They tied the breastpiece by its rings to the rings of the ephod by blue cord, so that it was above the waistband of the ephod, so that the breastpiece would not be loose from the ephod, just as the Lord had commanded Moses.

39:22 He made the robe of the ephod completely blue, the work of a weaver.