import flash.filters.ColorMatrixFilter;

var myColorMatrix_filter:ColorMatrixFilter = new ColorMatrixFilter([0.3, 0.59, 0.11, 0, 0, 0.3, 0.59, 0.11, 0, 0, 0.3, 0.59, 0.11, 0, 0, 0, 0, 0, 1, 0]);

foto_mc.filters = [myColorMatrix_filter];

To animate the brightness level of an instance by using the Tween class:

Create a new Flash document and save it as brightnesstween.fla. 

Add the following ActionScript to Frame 1 of the Timeline: import flash.filters.ColorMatrixFilter;

import mx.transitions.Tween;

import mx.transitions.easing.*;

System.security.allowDomain("http://www.helpexamples.com");

var mclListener:Object = new Object();

mclListener.onLoadInit = function(target_mc:MovieClip):Void {

    // center movie clip instance on Stage

    target_mc._x = (Stage.width - target_mc._width) / 2;

    target_mc._y = (Stage.height - target_mc._height) / 2;

    target_mc.watch("brightness", brightnessWatcher, target_mc);

    // animate the target_mc movie clip between -100 and +100 brightness

    var myTween:Tween = new Tween(target_mc, "brightness", Elastic.easeOut, 100, -100, 3, true);

    myTween.onMotionFinished = function() {

        this.yoyo();

    };

};

this.createEmptyMovieClip("img_mc", 10);

var img_mcl:MovieClipLoader = new MovieClipLoader();

img_mcl.addListener(mclListener);

img_mcl.loadClip("http://www.helpexamples.com/flash/images/image1.jpg", img_mc);

 

function brightnessWatcher(prop:String, oldVal:Number, newVal:Number, target_mc:MovieClip):Number {

    var brightness_array:Array = [1, 0, 0, 0, newVal,

            0, 1, 0, 0, newVal,

            0, 0, 1, 0, newVal,

            0, 0, 0, 1, 0];

    target_mc.filters = [new ColorMatrixFilter(brightness_array)];

    return newVal;

};