function setup() {

  createCanvas(windowWidth,

               windowHeight);

  background(234, 234, 184, 60);

}



function draw() {

  var from = color(187, 18, 87, 40);

  var to = color(85, 18, 87, 40);



  stroke(255, 170);

  fill(lerpColor(from, to, random(1.0)));

  ellipse(random(width), random(height), 50, 50);

}