preview.setTranslateX(width-60).setTranslateY(0);
add(preview);
select = new ToggleGroup();
hueSelect = new Radiobutton("H:");
hueText = new Textbox();
select.add(hueSelect);
satSelect = new Radiobutton("S:");
satText = new Textbox();
select.add(satSelect);
brightSelect = new Radiobutton("B:");
brightText = new Textbox();
select.add(brightSelect);
redSelect = new Radiobutton("R:");
redText = new Textbox();
select.add(redSelect);
greenSelect = new Radiobutton("G:");
greenText = new Textbox();
select.add(greenSelect);
blueSelect = new Radiobutton("B:");
blueText = new Textbox();
select.add(blueSelect);
hexText = new Textbox();
GridBox selectors = new GridBox()
.setPadding(0)