Color selection from property pane

Hi,

I have a problem with retrieving color from property pane in my custom visual. In my property pane, I have boolean and color, I can retrieve boolean by 

<boolean>options.dataViews[0].metadata.objects["myCustomObj"]["myprop"];

 but when I try to retrieve color, using

this.host.colorPalette.getColor(<string>options.dataViews[0].metadata.objects["myCustomObj"]["take_color"]).value

I have different color. What am I doing wrong?