At the time, Technicolor's two-color process employed red and green dyes, each with a dash of other colors mixed in, but no blue dye.

In this technique, blue light exposes the layers containing red and green dyes, but the layer containing blue dye is left unexposed due to the filter.

The flowers have also been used to make yellow, green and blue-green dyes, while the leaves can be used to make a chemical indicator.

Unfortunately for those who wanted or were required to wear green, there were no good vegetal green dyes which resisted washing and sunlight.

The species has long been used as a natural yellow dye, perhaps more recently, cream color, yellow and green dyes can be obtained from the plant and the seeds.

Usnea species have been used to create orange, yellow, green, blue and purple dyes for textiles.

The process combined red and green dyes to create a color image with a reduced spectrum.

There are many yellow and green dyes commercially applied to fibers that are related to triphenylmethane.

If plants that yield yellow dyes are common, plants that yield green dyes are rare.

Medieval and Early Modern England was especially known for its green dyes.