Candle Colors Dye Block: 1 Single 1/2 oz. color block, priced per block. Suggested Usage as follows For a Dark Shade of color, use 1 Block per 5 lbs of wax For a Medium Shade of color, use 1 block per 15 lbs. of wax For a Light Shade of color, use 1/2 block per 15-25 lbs. of wax.