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Question:

It is best to buy their own harmless dyes with what grass to do paint

It is best to buy their own harmless dyes with what grass to do paint

Answer:

Blue - indigo blue. Polygonaceae, annual vegetation, stem upright, with branches. Since ancient times is an important blue dyes, there can be refined horse blue, wood blue, Isatis indigot and so on. Indigo plantar before and after the summer solstice, the leaves began to show wrinkles harvest, add water and lime immersed in the big tank, a few days later to the water to become "indigo." Polygonum stem and leaf cut fine, into the pot to boil hundreds of times, to slag juice in the big tank, for dyeing and dyeing clothing, known as "dye blue."
White - clam powder: white paint commonly used in ancient painting, made of clam shells. According to Jiang Ji "pass the mysterious": clam powder system, is the first layer of black on the shell to the net, research very fine and then use.
Yellow - gardenia: gardenia open, full of fragrant trees. The fruit, made by the ancients yellow dye, can also be used as medicine, can also be used for food pigments or paint pigments. The actual dye out of the bright colors, and the dyeing process is also more simple, as long as the use of hot boiling method can extract the pigment.
Red - madder: moss red in the week before that by the considerable attention. The main types of Dongyang Qian, Western Qian, Indian Qian three kinds. Used in China belong to Dongyang Qian, its stained parts in the roots, dyed hue orange, but because of different varieties, and have different hue. "Book of Songs" there is "stripe clothing Ru 藘, chat with entertainment", "East Gate of the 墠, Ru 藘 in Osaka" and other sentences.

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