Blue dye, natural plant dye Cyan is better than blue because of blue, which means that blue is extracted from blue grass, but the color is darker than plants. Plants undergo complex blue building procedures to produce cyan pigments. He is a natural and precious dyeing solution, which must be taken care of daily and added nutrients (such as wine, sugar, blue mud) in a timely manner. Can be dyed at room temperature. The studio is traditionally built blue, and there is no chemical powder for building blue. Our blue dye is a charming breath with blue dyed plants and sugar and wine fermentation. Wait slowly for the plants to tell us the secret of color.