it depends on the specific way you dye it and dry it. lol
vat dyes acid dyes
Dyes of different colors in black ink can be separated using chromatographic techniques.
Synthrapol is a detergent used in fibers before dyeing them. It is also used to wash out fiber reactive dyes after they've been dyed.
chromatography
Different sodas have different ingredients and dyes in them. If you read the label on sodas like Fanta, it says all of the food coloring they use in it.
indigo
there's indigo dye
Indigo is a plant that dyes fabric blue. Eliza Lucas Pinckney developed indigo as an important cash crop for South Carolina starting in 1739.
A fiber reactive dye react with the material, is chemically linked to these fibers.
Indigo is a distince blue color, and the dyes have a long history of manufacture and use. Certainly there are synthetically manufactured today as opposed to being made with Indigo tinctoria and I. suifruticosa and other legumes as they were "back in the day" when they were first being used. Links are provided to a couple of articles posted by our friends at Wikipedia, where knowledge is free.
phoenecians
vat dyes acid dyes
Shihoko Fukumoto has written: 'Shades of indigo blue' -- subject(s): Dyes and dyeing, Exhibitions, Indigo, Textile fibers 'Shihoko Fukumoto'
it was used as a dye...-------------mARzs sez..:Indigo was a highly-valued crop in British colonial Florida. One of the oldest and most-durable of dyes..
There are a large number of plant based dyes. But if you are studying the history of the American colonies, you are probably looking for Indigo.
Safflower, beets, blueberries, red onion skins, brown onion skins, Indigo...
The plant indigofera tinctorial was the source of deep blue dye before synthetic dyes were developed.