blue-dyeing

In the Upper Lusatia (Oberlausitz) region and in Thuringia, where blue-dyeing was also a specialty, woad cultivation was subject to cycles of activity and disuse that continued into the nineteenth century. 5 reference As in France, German dyers recommended incorporating woad into the indigo vat for a combination of practical and symbolic reasons.

The Creation of Color in Eighteenth-Century Europe 2006

In the eighteenth-century, this conversion shortened production time and reduced the quantity of heat necessary to complete the blue-dyeing process. reference The Saxon blue process (now called indigo sulfonate) creates colors that are bright and beautiful, and visually somewhat different from those obtained through the traditional indigo dyeing methods.

The Creation of Color in Eighteenth-Century Europe 2006