createCanvas(600, 400);

}

​

function draw() {

  background(220);

  let toastRed = 0;

  let toastBlue = 255;

  for (let i = 0; i < 25; i++) {

    toastRed = toastRed + 20;

    toastBlue = toastBlue -20;

    fill(toastRed,0,toastBlue);

    rect(20 + (i*20), 190, 10, 10)

  }

}