Can you dye wool yarn with acid dye?

When people want to dye their own wool yarn, they use something called acid dye. The “acid” refers to the mild acid (often vinegar or citric acid) that helps the dye molecules attach to the protein fibers in wool. It’s super fun to work with because the results are so vivid and satisfying.

The colors on wool are especially rich, and the fluorescent tones from Dharma Trading Company stand out for how intense they are. They genuinely look like they’re glowing. Watching the color strike on hot yarn in the pot is one of those things that makes dyeing feel like magic.

If you want more control, you can experiment with temperature, pH, or how fast you add the dye to the bath. But even a basic setup at home can create professional-level results with these dyes.