转发一个官方的支持方法。http://www.edaboard.com/thread174506.html
1- run icfb
2- Open a Terminal and type:
xrdb -query > xyz
3- return to specified folder. You should see the xyz file. Open this file in edit mode.
4- in the xyz file, change or add the option Opus.editorBackground from
black to your desired one. for example:
Opus.editorBackground: white
5- at the UNIX or LINUX prompt (e.g. the second terminal you opened), type:
xrdb -load xyz
6- restart your Cadence software
7- Enjoy the result!