How to set the default component color

Hi
I have a JFormattedTextField which is part of a form. Based on user input, if there's something wrong in it, then I colour it pink. I also make it editable(true) or editable(false) based on the mode that I am.
Problem I have is that once I set the color of it once (to pink), then it won't change the colour of the Textfield based on mode when I call setEditable(true/false) anymore. I want it to "unset" the colour that I did and not have to colour it everytime. I don't want to have to manually change the colour after I set the colour once.
Can anyone help me with this?
Thanks!

Thanks camickr !
That's exactly what I was looking for. (let the UIManager take care of colors of the textfield whether it's editable or not)
as for 2nd reply my code is in several files. IF i have to shorten it, it would be:
it's just a pseudo code and incomplete but it gets the idea across
* this function automatically changes colors of textfield based on mode which can change any time
if(mode == NEW_MODE)
textField.setEditable(true);
else
textField.setEditable(false);
* This function sets the color during save time
public void save()
clear();
if(textField.getText() == null)
textField.setBackGround(Color.PINK);
public void clear()
//reset the color if it's pink or to the original color
//the color must update once we change mode which is independent of this
public void open(Patient p)
       clear();
       displayPatient(p);
}

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