Tween Tint

class Example extends Phaser.Scene
{
    constructor ()
    {
        super();
    }

    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v385');
        this.load.image('face', 'assets/pics/rick-and-morty-by-sawuinhaff-da64e7y.png');
    }

    create ()
    {
        const image = this.add.image(400, 300, 'face');

        this.tweens.addCounter({
            from: 255,
            to: 0,
            duration: 5000,
            onUpdate: function (tween)
            {
                const value = Math.floor(tween.getValue());

                image.setTint(Phaser.Display.Color.GetColor(value, value, value));
            }
        });
    }
}

const config = {
    type: Phaser.WEBGL,
    parent: 'phaser-example',
    width: 800,
    height: 600,
    scene: Example
};

const game = new Phaser.Game(config);