paint formula generator

need an aplication that based on 6 primary colors (white, black, red, yellow, blue, purple) will produce formulas for preparing the various color mixes, software will need to be calibrated on the primary colors to match screen and printer, then it should present a color table with 2 sliders, the 2 sliders will add a % of white and a % of black, while the row of the table will present a mix from each primary in a percentage defined by user, the last? row will be the mix of the? top row result to the percentage of white and black from the sliders, and the intermediate rows wil be a user defined range of percentage of the sliders, upon entering the amount of paint to mix and selecting a color user should be presented with a formula to mix the desired color. if the visual part goes fine i will add another extension for this proyect in order to actually dispense the mix of paint