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Similar color tones can be obtained from several plants. What matters is whether the plant is fresh or dried, or specially prepared for dyeing - fermented. Very important is the composition of the water.
Yellow shades produced by weld, goldenrod, birch leaves, myrobalan, cutch, puddle bark, apple tree leaves, dyers chamomile, french marigold.
Orange shades - by red dahlia, onion skins, black tea, northern rubia, madder, heather, walnut, brazilwood modified with acid.
Red shades  - by northen rubia, lac (for burgundy, crimson), cochineal (magenta, pink), brazilwood. Lac and cochineal is derived from insects.
Purple shades  - by logwood, lac overdyed with indigo, cochineal overdyed with indigo, brazilwood overdyed with indigo.
Blue shades  - by indigo extracts derived from different plants grown in Europe, Asia, America.
Green shades - usually some yellows overdyed with indigo or earthy tones from plants in iron water.
Brown and grey shades - by black tea, oak bark, walnut, or logwood in iron water.
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