Contrasting text outline, shadow or border

It's very important for me for the text to be clearly visible when added to a screenshot. This is usually easily achieved by using black text with white background or white text with black background - but other colours usually look good with either (except maybe for very dark and very light colours). I know that usually the implementations involve:

• Creating a shadow
• Creating a border

I do realise I can put a rectangle under text, but it's ugly and obscures a lot more of the image.

As a humorous reference: :smile: