[spyder]

You can see the color fringe when you view the character without zooming, here is an example I have found:

http://fsrv.dyndns.org/mirrors/dmedia-tutorials-textrenderin...

Make sure the image isn't scaled to see the text as sharp but with color fringe (on the left side of the image).

The image is from this other great article about sub-pixel font rendering: http://fsrv.dyndns.org/mirrors/dmedia-tutorials-textrenderin...