script.js

function colors() {
  var red = document.getElementById("red").value;
  var green = document.getElementById("green").value;
  var blue = document.getElementById("blue").value;
  document.body.style.backgroundColor =
    "rgb(" + red + "," + green + "," + blue + ")";
  document.getElementById("output").innerHTML =
    "rgb(" + red + "," + green + "," + blue + ")";
}

function myFunction() {
  document.getElementById("myDIV").style.backgroundColor = "lightblue";
}

document.querySelectorAll(".pallet").forEach((pallet) => {
  pallet.addEventListener("click", () => {
    document.body.style.backgroundColor = pallet.getAttribute("data-color");
  });
});