Page:Arts & Crafts Essays.djvu/401

 colours used, they are found to be in themselves of the brightest the dyer can produce. Thus I have seen in an old Persian rug light and dark blue flowers and orange leaves outlined with turquoise blue on a strong red ground, a combination that sounds daring, and yet nothing could be more peaceful in tone than the beautiful and complicated groups of colours here displayed. Harmony, then, produces this repose, which is demanded instinctively, purity and crispness being further obtained by the quality of the colours used.

Thus in blues, use the shades that are only obtained satisfactorily by indigo dye, with such modifications as slightly "greening" with yellow when a green-blue is wanted, and so forth. The pure blue of indigo, neither slaty nor too 377