Yasuki White Steel is a grade type of Japanese High Carbon Steel that have had the majorities of impurities removed. Yasuki Blue Steel(Aogami) is a higher grade type by adding tungsten and chrome to Yasuki White Steel(Shirogami). Knives made of Yasuki Steel is known to cut better and to be easier to sharpen.
Is Blue Steel always better than White Steel? We say, "No".Please don't judge only by grade of the steel.
Depending on brand or workshop, real sharpness, usability would be different. Please find your favorite brand in your selections.We are happy to assist you before your purchase as much as we can.