Bockens linen thread, all bleaching levels and colors in 35/2 and 60/2 20/3 and 25/3 are only available in the slightly darker color "quarter bleached". The color "half bleached" is often quite pale. "Unbleached" ("obl") in 35/2 and 60/2 is a very nice and lively ash gray. "Natural" (color 470) sometimes has a more greenish, sometimes more brownish color.