Exodus 28:5-6, 15, 33

And they shall take the gold, and the blue, and the purple, and the scarlet, and the fine linen. And they shall make the ephod of gold, of blue, and purple, scarlet, and fine twined linen, the work of the skilful workman.

And thou shalt make a breastplate of judgment, the work of the skilful workman; like the work of the ephod thou shalt make it; of gold, of blue, and purple, and scarlet, and fine twined linen, shalt thou make it.

And upon the skirts of it thou shalt make pomegranates of blue, and of purple, and of scarlet, round about the skirts thereof; and bells of gold between them round about