If you’re looking for an espresso brown, then cutch + walnut (and possibly iron) will create that color. If you are looking for a “chocolate” brown, it’s achievable by using an alum mordant, 20% cutch and a small percentage of iron in a post bath (like 1% or less). Is it a necessary w/protein fibers to get a dark, rich hue?Ĭutch on wool with an alum mordant tends to shift yellow/gold/buff. I’m dyeing wool gauze with cutch and I usually use chalk (calcium carbonate) as an after bath post-mordant when I’m working w/ cellulose fibers. For more detailed instructions, please visit our page on using natural dye extracts. We will often soak our cutch over night to aid in hydration, then dye with it the next day.ġ00g of cutch extract will dye approximately 500g (1.1 pounds) of fiber to a dark reddish brown shade. Cutch combined with iron will yield a lovely chocolate brown. Cutch with an alum mordant will be golden yellow brown and requires a two hour simmer to develop its deepest shades the addition of 10% WOF (weight of fiber) drugstore grade hydrogen peroxide or 2% WOF dissolved soda ash in the dyebath will dramatically deepen and redden the color. After that, it is ground into powder for dyeing.Ĭutch extract is sweet smelling in the dye bath and yields rich red browns with long cooking times. It is then cooled, pressed and cut into cubes and dried. To make cutch extract, cutch wood is soaked in hot water until the liquid becomes syrupy. It has been used in India since ancient times. Cutch ( Acacia catechu) is the source of the rich reddish brown color seen in Indian textiles.
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