But its history runs much deeper. "The color indigo originally came from plants used for dyes before synthetic dyes were developed," architectural color consultant, Amy Krane, tells me.

Here's how natural indigo is still grown and fermented in Japan, despite the fashion industry's dependence on synthetic dyes.

People have been wearing blue jeans for centuries. Originally, the blue color came from a natural indigo dye. The dye was chosen for the way it interacted with cotton. When heated, most dyes ...

and examine the ash. BLUE COLORS.—These may consist of indigo, logwood, prussian blue or ultramarine. Indigo blue is fixed on cloth in various ways,—1st, in the blue vat; 2nd, as so-called ...

These are colored with a preparation of indigo ; but it would be of no avail ... fair sex—he would soon " die of the blues." All dyes only color to the root of the hair ; they must, therefore ...

He's dedicated to the ancient technique of using the leaves of the indigo plant to dye textiles and other items. 00:32 Leading international brands and big-name corporations have come knocking at ...