Indigo Dye

Indigo dye is an organic compound with a distinctive blue color (see indigo). Historically, indigo was a natural dye extracted from plants, and this process was important economically because blue dyes were once rare. Nearly all indigo dye produced today — several thousand tons each year — is synthetic. It is the blue of blue jeans.

Read more about Indigo Dye:  Uses, Era of Synthetic Indigo, Safety and The Environment

Famous quotes containing the word dye:

    It will help me nothing
    To plead mine innocence, for that dye is on me
    Which makes my whit’st part black.
    William Shakespeare (1564–1616)