// changecolour.js
module.exports = function (callback, arr) {
    var min = arr[0];
    var max = arr[1];
    var value = arr[2];
    var changecolour = function (min, max, value) {
        if (parseInt(value) <= parseInt(min)) {
            return "red";
        }
        if (parseInt(value) >= parseInt(max)) {
            return "red";
        }
        return "green";
    }

    callback(null, changecolour(min, max, value));
}