Importing custom modules in Gjs

/*** main.js ***/
#!/usr/bin/gjs

const GLib = imports.gi.GLib;
const Clutter = imports.gi.Clutter;


// Import async modules
const Me = imports.searchPath.unshift('.');
const myConf = Me.conf;

//Create Colors
let black = new Clutter.Color( {red:0, blue:0, green:0, alpha:255} );

// Initialize Clutter
Clutter.init (null, 0);

//Create Stage
let stage = Clutter.Stage.get_default();
stage.set_size(640,480);
stage.title = "Create Some Simple Actors";
stage.set_color(new Clutter.Color( {red:150, blue:0, green:0, alpha:255} ));

//Create an Actor
let myactor = new Clutter.Actor();
myactor.set_position(20,20);
myactor.set_size(30,30);
myactor.set_background_color(Conf.black_c);
myactor.set_reactive(true);

stage.add_child(myactor);


//Show objects
stage.show();
myactor.show();

//Start main loop
Clutter.main();

/*** conf.js ***//
const Clutter = imports.gi.Clutter;
var black_c = new Clutter.Color( {red:0, blue:0, green:0, alpha:255} );

/****
So I want to use black_c in my main.js and define the color.
***/