Violet dye is a type of dye that is used to color fabrics and other materials. The two crossword solutions for the term 'violet dye' are 'archil' (6 letters) and 'orseille' (8 letters). Archil is a type of dye made from the lichen Roccella tinctoria, which is found in the Mediterranean region. Orseille is a type of dye made from the plant woad, which is native to Europe and parts of Asia. Both archil and orseille are used to create a violet dye.