Elm.Native.Color = {};
Elm.Native.Color.make = function(elm) {
    elm.Native = elm.Native || {};
    elm.Native.Color = elm.Native.Color || {};
    if (elm.Native.Color.values) return elm.Native.Color.values;

    var Utils = Elm.Native.Utils.make(elm);

    function toCss(c) {
        var format = '';
        var colors = '';
        if (c.ctor === 'RGBA') {
            format = 'rgb';
            colors = c._0 + ', ' + c._1 + ', ' + c._2;
        } else {
            format = 'hsl';
            colors = (c._0 * 180 / Math.PI) + ', ' +
                     (c._1 * 100) + '%, ' +
                     (c._2 * 100) + '%';
        }
        if (c._3 === 1) {
            return format + '(' + colors + ')';
        } else {
            return format + 'a(' + colors + ', ' + c._3 + ')';
        }
    }

    return elm.Native.Color.values = {
        toCss:toCss
    };

};