let y;

let r = 45;

let col;

​

function setup() {

  createCanvas(400, 400);

  x = width/2;

  y = height/2;

  col = color(random(255), random(255), random(255));

  background(0);

}

​

function draw() {

  noStroke();

  fill(col);

  circle(x, y, r);

  x += random(-6, 6);

  y += random(-6, 6);

  col = color(x, noise(x,y), y);

  print(noise(x,y) * 255);

  //col = color(random(255), random(255), random(255));

}