Change path colors

convert-colors.jsx

var colorObject;

var hexes = ['5b7f52', '6ea041', '62a04a', '5b7f52', '6cb84e'];
var colors = [];

for (var h = 0; h < hexes.length; h++) {
  colorObject = new SolidColor();
  colorObject.rgb['hexValue'] = hexes[h];
  colors.push(colorObject);
}

function getRandomColor() {
  var n = Math.floor(Math.random() * colors.length);
  return colors[n];
}

function setColorOfFillLayer(color) {
  var desc = new ActionDescriptor();
  var ref = new ActionReference();
  ref.putEnumerated( stringIDToTypeID('contentLayer'), charIDToTypeID('Ordn'), charIDToTypeID('Trgt') );
  desc.putReference( charIDToTypeID('null'), ref );
  var fillDesc = new ActionDescriptor();
  var colorDesc = new ActionDescriptor();
  colorDesc.putDouble( charIDToTypeID('Rd  '), color.rgb.red );
  colorDesc.putDouble( charIDToTypeID('Grn '), color.rgb.green );
  colorDesc.putDouble( charIDToTypeID('Bl  '), color.rgb.blue );
  fillDesc.putObject( charIDToTypeID('Clr '), charIDToTypeID('RGBC'), colorDesc );
  desc.putObject( charIDToTypeID('T   '), stringIDToTypeID('solidColorLayer'), fillDesc );
  executeAction( charIDToTypeID('setd'), desc, DialogModes.NO );
}


function selectLayerWithIndex(idx) {
  var desc = new ActionDescriptor();
  var ref = new ActionReference();
  ref.putIndex(charIDToTypeID('Lyr '), idx);
  desc.putReference( charIDToTypeID( "null" ), ref );
  desc.putBoolean( charIDToTypeID( "MkVs" ), false );
  executeAction( charIDToTypeID( "slct" ), desc, DialogModes.NO );
}

function getLayerWithIndex(idx) {
  var ref = new ActionReference();
  ref.putIndex(charIDToTypeID( "Lyr " ), idx);
  return executeActionGet(ref);
}

function main() {
  var totalLayers = activeDocument.layers.length;
  // Layer is informative, layerRef is actionable
  var layer, layerRef;
  var list, fillColor, solidColorLayer;

  for(i=0; i<totalLayers; i++) {
    layer = activeDocument.layers[i];
    // selectLayerWithIndex(i);
    oppositeI = (i - totalLayers + 1) * -1
    if(layer.kind ==  'LayerKind.SOLIDFILL') {
      selectLayerWithIndex(oppositeI);
      setColorOfFillLayer( getRandomColor(), oppositeI );
    }
  }
}
main();