Colors

*/

​

​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(220);

  noStroke ();

  // Integer RGBA notation.

  // color 1

  fill('rgba(0,255,0,0.25)');

  square(0,0,900);

  // color 2

  fill(0,0,0);

  square(80,55,250);

  // color 3

  fill('rgba(0,255,0,0.25)');

  square(105,75,200);

  // color 4

  fill(0,0,0);

  square(125,100,150);

}