let c;

function preload(){

  fruits=loadImage("fruits.png");

}

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  image(fruits,0,0);

  background(0,0,255,50);

  c=fruits.get(mouseX,mouseY);

  fill(c);

  circle(mouseX, mouseY,20)

}