Tab group grey icons in io7

Hi All

I am using titanium sdk 3.2.1GA and viewing on a io7 device.

I am using glyphicons and i cant for the life of me figure out how to make the inactive icons any color except grey???

var tabGroup = Ti.UI.createTabGroup({
        tabsBackgroundColor : '#fff',
            activeTabIconTint: '#fff',
                tabsBackgroundDisabledColor: '#fff',
        tabsBackgroundFocusedColor: '#fff', 
        tabsBackgroundSelectedColor : '#fff',
        tabsTintColor: '#fff',
        tintColor: '#fff'
    });
 
var tab1 = Ti.UI.createTab({
        icon: '/images/glyphicons_300_home.png',
        title : 'Home',
        window : win1
    });