Random colour generator help...please.

//Drawing a human shaped robot with 2D transformations

//Defining variables
var canvas;
var ctx;
var rgbColor;
var message;
var faceColors = [];

//Defining functions

//To get random colors
function randomRGB() {
  return Math.floor(Math.random() * 256 );
}

function randomColor() {
  var color = 'rgb(';
  color += randomRGB() + ',';
  color += randomRGB() + ',';
  color += randomRGB() + ')';
  //faceColors += part + " : " + color + ",";
  //print(faceColors);
  return color;
}

//To write into the html page
function print (message) {
  var outputDiv = document.getElementById('list');
  outputDiv.innerHTML = message;
}

//Drawing all the robot parts at once
function init() {
  canvas = document.getElementById('myRobot');
  ctx = canvas.getContext('2d');
  ctx.lineJoin = 'round';
  ctx.lineCap = 'round';
  ctx.font = 'bold 30pt Papercutting';
  ctx.fillText("Hit refresh to change my colors!", 300, 50);
  drawHead();
  drawEyes(308, 115);
  drawNose(35, 20);
  drawMouth(-17, 45);
  drawNeck();
  drawBody();
  drawLeftShoulder(246, 244, 0.5);
  drawLeftArm();
  drawLeftHand();
  drawRightShoulder(400, 272, 5.8);
  drawRightArm();
  drawRightHand();
  drawBouquet(400, 280, 5.8);
  drawLeftLeg(300, 485);
  drawRightLeg(360, 485);
}
//Defining a function to color frames and body parts
function colorParts(size,) {
  ctx.strokeStyle = randomColor();
  ctx.fillStyle = randomColor();
  ctx.lineWidth = size;
}

//Defining a function to draw frames and fill them
function draw(x, y, width, height) {
  ctx.strokeRect(x, y, width, height);
  ctx.fillRect(x, y, width, height);
}

//Defining functions for each body part
function drawHead() {
  colorParts(12,);
  ctx.arc(350, 150, 70, 0, Math.PI*2, true);
  ctx.stroke();
  ctx.fill();
}

function drawEyes(x, y) {
  ctx.save();
  //One eye
  colorParts(3);
  ctx.translate(x,y);
  draw(0, 0, 15, 15);
  //Second eye
  colorParts(3);
  draw(65, 0, 15, 15);

  //Eye balls
  colorParts(1);
  draw(10, 9, 5, 5);
  colorParts(1);
  draw(75, 9, 5, 5);
}
function drawNose(x, y) {
  colorParts(6);
  ctx.translate(x,y);
  draw(0, 0, 10, 30);
}

function drawMouth(x, y) {
  colorParts(8);
  ctx.translate(x, y);
  draw(0, 0, 45, 8);
}

function drawNeck() {
  colorParts(10);
  draw(12, 50, 20, 30);
  ctx.restore();
}

function drawBody() {
  colorParts(16);
  draw(300, 272, 100, 200);
}

function drawLeftShoulder(x, y, angle) {
  ctx.save();
  ctx.translate(x,y);
  ctx.rotate(angle);
  colorParts(8);
  draw(0, 0, 50, 30);
}

function drawLeftArm() {
  colorParts(12);
  draw(5, 40, 40, 140);
}

function drawLeftHand() {
  colorParts(5);
  draw(5, 188, 10, 20);
  draw(15, 188, 15, 35);
  draw(35, 188, 10, 20);
  ctx.restore();
}

function drawRightShoulder(x, y, angle) {
  ctx.save();
  ctx.translate(x,y);
  ctx.rotate(angle);
  colorParts(8);
  draw(11, 0, 50, 30);
}

function drawRightArm() {
  colorParts(12);
  draw(17, 40, 40, 70);
  draw(17, 110, 90, 40);
}

function drawRightHand() {
  colorParts(5);
  draw(115, 110, 20, 10);
  draw(115, 120, 35, 15);
  draw(115, 138, 20, 10);
  ctx.restore();
}

  //Draw a bouquet
function drawBouquet(x, y, angle) {
  ctx.save();
  ctx.translate(x, y);
  ctx.rotate(angle);
  colorParts(1);
  draw(130, 0, 2, 165);
  draw(135, 0, 2, 165);
  draw(140, 0, 2, 165);
  draw(145, 0, 2, 165);
  colorParts(1);
  draw(120, -10, 20, 20);
  colorParts(1);
  draw(130, -10, 20, 20);
  colorParts(1);
  draw(140, -10, 15, 20);
  colorParts(1);
  draw(135, -10, 15, 20);
  ctx.restore();
}

function drawLeftLeg(x, y) {
  ctx.save();
  //Left Leg
  ctx.translate(x, y);
  colorParts(10);
  draw(10, 0, 30, 80);
  draw(-60, 80, 100, 30);
  //Left foot
  colorParts(5);
  draw(-85, 85, 18, 55);
  ctx.restore();
}

function drawRightLeg (x, y) {
  ctx.save();
  //Right Leg
  ctx.translate(x, y);
  colorParts(10);
  draw(0, 0, 90, 30);
  draw(60,35, 30, 90);
  //Right foot
  colorParts(5);
  draw(65, 132, 55, 18);
  ctx.restore();
}