Bug 8107 bracket hightlighting: can't change color
the color changing option in the preference page seems to be always disabled
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaEditorPreferencePage.java
label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		
		Composite editorComposite= new Composite(colorComposite, SWT.NULL);
		GridLayout layout= new GridLayout();
		layout.numColumns= 2;
		layout.marginHeight= 0;
		layout.marginWidth= 0;
		editorComposite.setLayout(layout);
		GridData gd= new GridData(GridData.FILL_BOTH);
		editorComposite.setLayoutData(gd);
		
		fList= new List(editorComposite, SWT.SINGLE | SWT.V_SCROLL);
		gd= new GridData(GridData.FILL_BOTH);
		gd.heightHint= convertHeightInCharsToPixels(5);
		fList.setLayoutData(gd);
		
		Composite stylesComposite= new Composite(editorComposite, SWT.NULL);
		layout= new GridLayout();
		layout.marginHeight= 0;
		layout.marginWidth= 0;
		layout.numColumns= 2;
		stylesComposite.setLayout(layout);
		stylesComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
		
		label= new Label(stylesComposite, SWT.LEFT);
		label.setText("Fo&reground:");
		gd= new GridData();
		gd.horizontalAlignment= GridData.BEGINNING;
		label.setLayoutData(gd);
		fColorEditor= new ColorEditor(stylesComposite);