JavaScript and jQuery to change the hue of an SVG

svgHueChanger.js

var modifier = Math.random()*360; 

$( "#svgMain" ).click(function() {
  var svg = document.getElementById("svgMain")
  var allElements = svg.getElementsByTagName("*");
  for(var i = 0; i < allElements.length; i++) {
    var element = allElements[i];
    console.log(element);
    $(element).css({ fill: changeHue($(element).css('fill'),modifier)});
  }
});

function changeHue(rgb,degree){
  rgb = rgb.replace(/[{(rgb )}]/g, '');
  var array = rgb.split(',');
  var hslArray = rgbToHsl(array[0],array[1],array[2]);

  //modify Hue
   hslArray[0] = hslArray[0]*360;
   hslArray[0] += degree;
    if (hslArray[0] > 360) {
        hslArray[0] = hslArray[0] - 360;
    }
    else if (hslArray[0] < 0) {
        hslArray[0] = hslArray[0] + 360;
    }
  var rgbArray = hslToRgb(hslArray[0]/360, hslArray[1], hslArray[2]);

  var hexColor = rgbToHex(rgbArray[0],rgbArray[1],rgbArray[2]);
  return hexColor;
}

function componentToHex(c) {
    var hex = c.toString(16);
    return hex.length == 1 ? "0" + hex : hex;
}

function rgbToHex(r, g, b) {
    return "#" + componentToHex(r) + componentToHex(g) + componentToHex(b);
}

function rgbToHsl(r, g, b){
    r /= 255, g /= 255, b /= 255;
    var max = Math.max(r, g, b), min = Math.min(r, g, b);
    var h, s, l = (max + min) / 2;

    if(max == min){
        h = s = 0; // achromatic
    }else{
        var d = max - min;
        s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
        switch(max){
            case r: h = (g - b) / d + (g < b ? 6 : 0); break;
            case g: h = (b - r) / d + 2; break;
            case b: h = (r - g) / d + 4; break;
        }
        h /= 6;
    }

    return [h, s, l];
}

function hslToRgb(h, s, l){
    var r, g, b;

    if(s == 0){
        r = g = b = l; // achromatic
    }else{
        var hue2rgb = function hue2rgb(p, q, t){
            if(t < 0) t += 1;
            if(t > 1) t -= 1;
            if(t < 1/6) return p + (q - p) * 6 * t;
            if(t < 1/2) return q;
            if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
            return p;
        }

        var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
        var p = 2 * l - q;
        r = hue2rgb(p, q, h + 1/3);
        g = hue2rgb(p, q, h);
        b = hue2rgb(p, q, h - 1/3);
    }

    return [Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)];
}