<?xml version="1.0" encoding="utf-8"?>
<mx:Application name="CheckBox_color_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white" viewSourceURL="srcview/index.html">

    <mx:Style>
        CheckBox {
            fontWeight: bold;
            iconColor: green;
        }

        .selectedStyle {
            color: green;
            textRollOverColor: green;
            textSelectedColor: green;
            themeColor: green;
        }

        .unselectedStyle {
            color: red;
            textRollOverColor: red;
            textSelectedColor: red;
            themeColor: red;
        }
    </mx:Style>

    <mx:Script>
        <![CDATA[
            private function checkBox_change(evt:Event):void {
                var tgt:CheckBox = evt.currentTarget as CheckBox;
                if (tgt.selected) {
                    tgt.styleName = "selectedStyle";
                } else {
                    tgt.styleName = "unselectedStyle";
                }
            }
        ]]>
    </mx:Script>

    <mx:CheckBox id="checkBox"
            label="CheckBox"
            selected="false"
            styleName="unselectedStyle"
            change="checkBox_change(event);" />

</mx:Application>