RBG - Appcelerator

var win = Ti.UI.createWindow({
	background:'My Window',
});
var view = Ti.UI.createView({
	backgroundColor: 'transparent',
	top: 0,
	left: 0,
	width: '100%',
	height: '100%',
	layout: 'vertical'
});
function makeView(color,rt) {
	return Ti.UI.createView({
	    right: rt,
	    width: '33.33%',
	    height: '33.33%',
	    backgroundColor: color
	});
}
view.add(makeView('red',0));
view.add(makeView('green','33.33%'));
view.add(makeView('blue','66.66%'));
win.add(view);
win.open();