färiväri

Färiväri is a Swedish term that translates to "color for dyeing" or "dye color." It refers to the substance used to impart color to various materials, most commonly textiles like wool, linen, and cotton. Historically, färiväri could be derived from a wide range of natural sources, including plants, minerals, and insects. Examples of common natural färiväri sources include madder root for reds, indigo for blues, weld for yellows, and lichen for purples and browns. The process of using färiväri typically involved boiling the coloring agent in water to extract the pigment, then immersing the material to be dyed into the resulting dye bath. Mordants, such as alum or iron salts, were often used to help the color bind to the fibers and improve its fastness, meaning its resistance to fading from washing or light.

The production and use of färiväri were significant in historical Swedish society, influencing clothing, home textiles, and decorative arts. The availability of certain färiväri sources often dictated the color palette common in different regions. With the advent of synthetic dyes in the 19th century, the reliance on natural färiväri significantly diminished, though there has been a resurgence of interest in natural dyeing techniques in recent decades for aesthetic, environmental, and historical reasons. Contemporary understanding of färiväri encompasses both traditional natural dyes and modern synthetic colorants used for dyeing.