With him was Oholiab son of Ahisamach, of the tribe of Dan, an engraver, designer, and embroiderer in blue, purple, and scarlet yarn and fine linen.

Exodus 25:4
blue, purple, and scarlet yarn; fine linen and goat hair;

Exodus 26:36
For the entrance to the tent, you are to make a curtain embroidered with blue, purple, and scarlet yarn, and finely spun linen.

Exodus 31:6
Moreover, I have selected Oholiab son of Ahisamach, of the tribe of Dan, as his assistant. I have also given skill to all the craftsmen, that they may fashion all that I have commanded you:

And with him was Aholiab, son of Ahisamach, of the tribe of Dan, an engraver, and a cunning workman, and an embroiderer in blue, and in purple, and in scarlet, and fine linen.