Changing colors of two instances in a single click

Hi guys,
Can i change the colors of two mc’s if i just click one of them? i tried to put the other mc (btn02) inside the function but only btn01 changes color when i click it.

here’s the code;

var controlcolor:Color = new Color(btn01);
var controlcolor2:Color = new Color(btn02);

btn01.onPress = function(){