function getForColorComponent () {
    from = new THREE.Color(dataFrom || el.getAttribute(attribute));
    to = new THREE.Color(dataTo);
    partialSetAttribute = function (value) {
      if (attributeSplit.length > 1) {
        el.setAttribute(attributeSplit[0], attributeSplit[1], rgbVectorToHex(value));
      }
      el.setAttribute(attribute, rgbVectorToHex(value));
    };
  }
Animating a color component
  Will convert a hex value to a THREE.Color
  Then converts to hex for the setAttribute