A system having a display to indicate the amount of a material being added to a scale. The system includes tolerance indication software configured to indicate predefined ranged tolerances above and/or below the recommended amounts, such that a user is able to identify whether the amount added to the scale for a colorant and/or dye blending material is within the predefined ranged tolerances. In yet another aspect the memory includes instructions to recreate formulas based on a specific product brand. Software can be provided to permit a user to convert the formula, either a portion or the entire formula, to a second product brand.
