1. A method of operating an article of footwear with a color change portion, comprising: measuring a performance parameter; coloring the color change portion with a first color when the performance parameter is in a first range of values; coloring the color change portion with a second color when the performance parameter is in a second range of values, the second range of values being substantially different from the first range of values and the second color being substantially different from the first color; and wherein the color change portion comprises an electrochromographic material.