Originally all our dyes were plant based and people had the skills and expertise to know how to make natural dyes which produced vibrant colours for clothing and furnishing. There is artist in Wales, Catherine Lewis, and you can see how she is contributing to the revival of using native plant dyes which are Welsh:
The Japanese are also reviving their historical knowledge of plant dyes and one of the prime movers behind that is Sachio Yoshioka. The colours he obtains are very striking. The process is careful and methodical and creates a slow living approach because you cannot hurry good plant dyes.