Mixing colors:    Dye Powders    Procion MX Dyes

Pale Shades:  1/2 tsp. (1 Gram) per cup of water
Medium Shades:  2 tsp. (5 grams) per cup of water
Dark Shades:  4 tsp. (10 grams per cup of water
Blacks, Turquoise may take 4 to 8 tsp (10 to 20 grams) per cup of water.

Above mixture depends on depth of shade:

Powder dye color may differ from actual shade:

Dye density varies in some colors due to the drying process from press-cake:  This will translate into some jars appearing to have less dye in the jar.