TextBlock, TextElement changing color dynamically

So I decided try out the TextBlock and TextElement in my project, but I can't seem to change the color dynamically.  Here is the code:
//show the name of the node in a textSprite label
        private function addNameLabel():void
            trace('addNamelabel called');
            textSpriteHolder = new Sprite;
            var scAmt:Number = Math.round(11 * _scaleFactor);
            var temp:String = _nodedata.name;
            var whitespace:RegExp = /(\-)/g;
            temp = temp.replace( whitespace, '_' ); 
            txt = truncateTextField( temp as String );
            var fd:FontDescription = new FontDescription();
            fd.fontLookup = FontLookup.EMBEDDED_CFF;
            fd.fontName = "Arial, Helvetica, _sans";
            var ef:ElementFormat = new ElementFormat(fd);
            ef.fontSize = 22;
            ef.color = 0x000000;
            te = new TextElement(txt, ef);
            tb = new TextBlock();
            tb.content = te;
            textsprite = tb.createTextLine(null, 300);
            var baremin:Number = Math.max( graphNode.width, 73 );
            textsprite.x    = ( baremin / 2) + 10;
            textsprite.y    = -5;
            textsprite.name = "label";
            textsprite.mouseEnabled = false;
            textsprite.mouseChildren = false;
            textsprite.alpha = 1;
            textSpriteHolder.addChild(textsprite);
            graphNode.addChild(textSpriteHolder);
Anyone know how to change the color of the text, later on say when a threshold is met (aka not during instantiation).

Actually, i have the setOpaque Command already. The problem is that the code to render other cells does not get executed when i click the jcheckbox. It will only happen if i resize the table, or move the mouse over those columns etc. So i want a definite way to invoke all the cell renderers when i click on the boolean column.
PK

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