<sxh>

var img;

function preload() {
	img = loadImage('IMG_4790.jpg');
}

function setup() {
	createCanvas(windowWidth, windowHeight);
	background(0);
}

function draw() {
	background(0);
	image(img, windowWidth/3, 0, 640*windowHeight/1036, windowHeight);
	var laCouleur = get(mouseX, mouseY);
  fill(laCouleur);
	//text(laCouleur,mouseX,mouseY);
	print(laCouleur);
  noStroke();
  rect(mouseX, mouseY, 50, 50); 
}

</shx>