Should be visible with all fonts, but it works best with thin/light fonts.
Examples:
$ gnome-font-viewer /usr/share/fonts/truetype/ttf-dejavu/DejaVuSerif-Italic.ttf $ gnome-font-viewer /usr/share/fonts/truetype/ttf-dejavu/DejaVuSans-ExtraLight.ttf
Look for the intense color fringing.
Should be visible with all fonts, but it works best with thin/light fonts.
Examples:
$ gnome-font-viewer /usr/share/ fonts/truetype/ ttf-dejavu/ DejaVuSerif- Italic. ttf fonts/truetype/ ttf-dejavu/ DejaVuSans- ExtraLight. ttf
$ gnome-font-viewer /usr/share/
Look for the intense color fringing.