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Remove the fontconfig.Ubuntu.properties file from the lib directory of the JDK.

Washed out (reddish blur) Fonts on Linux with Oracle Java 11

For whatever reason Oracle changed the font rendering routines again, and removed the fonts previously delivered with Java in Java 11.

It happens as the anti-aliasing setting is wrongly detected by default.

Start NetBeans (or add the following parameter to netbeans.cfg) with:  -J-Dawt.useSystemAAFontSettings=on

It is also recommended to set the Gnome/KDE hinting level to medium or full.

Ugly Wrong Sized Fonts in Terminal

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