Change

<div id="flatpicker"></div>
<script>
$("#flatpicker").kendoFlatColorPicker({
  change: function(e) {
/* The result can be observed in the DevTools(F12) console of the browser. */
    console.log("The newly selected color is ", e.value);
  }
});
</script>

<div id="flatpicker"></div>
<script>
function picker_change(e) {
/* The result can be observed in the DevTools(F12) console of the browser. */
  console.log("The newly selected color is ", e.value);
}
$("#flatpicker").kendoFlatColorPicker();
var flatpicker = $("#flatpicker").data("kendoFlatColorPicker");
flatpicker.bind("change", picker_change);
</script>