Depth of shade is the weight of dyestuff as a percentage of the fibre weight. Enter your fibre weight and the depth you're aiming for.
Results for 100g of fibre
3% depth of shade · liquor ratio 30:1
Dyestuff needed3.0 g
Bath water3.0 L
This is the dry dyestuff weight for an extract or powder at roughly 100% strength. For fresh plant material or weaker extracts, scale up accordingly. Depth is a starting point — exhaust baths and fibre type shift the final shade.