What color results when the rhubarb plant is used hair dye?

When the rhubarb plant is used as a hair dye, it typically produces a range of shades from light to dark reddish-brown, depending on the concentration and preparation of the dye. The anthraquinone compounds present in rhubarb contribute to these colors. Additionally, the final hue can vary based on the natural color of the hair and any pre-existing treatments. Overall, rhubarb provides a natural, earthy tone that can be appealing for those seeking organic hair dye options.