​

function setup() {

  // setup is only run once

  createCanvas(400, 400); // canvas size

}

​

function draw() {

  // draw loops infinately

  // create green background square

  background(51, 127, 88); // rgb colors (0~255)

  // blue square

  rectMode(CENTER);

  noStroke();

  fill(25, 132, 134);

  // rect(x, y, w, h, [detailX], [detailY])

  rect(width/2, height/2+30, 300, 300)

  // grey square

  fill(156, 152, 142); // new color, only modifies stuff below

  rect(width/2, height/2+60, 200, 200)

  // yellow center square

  fill(219, 171, 77);

  rect(width/2, height/2+90, 100, 100)

}