public ReadOnlyBooleanProperty activeProperty() {
        if (null == active) {
            active = new BooleanPropertyBase(_active) {
                @Override public Object getBean() { return TimeSection.this; }
                @Override public String getName() { return "active"; }
            };
        }
        return active;
    }
Defines the color that will be used to colorize the section text
@param COLOR
src/main/java/eu/hansolo/tilesfx/TimeSection.java