cd ~/.WebIde10/config/colors
cd ~/.WebIde40/config/colors
cd ~/.WebIde50/config/colors
cd ~/Library/Preferences/WebIDE10/colors/
cd ~/Library/Preferences/WebIde40/colors/
cd ~/Library/Preferences/WebIde50/colors/
cd c:/Users/USERNAME/.WebIde10/config/colors
cd c:/Users/USERNAME/.WebIde40/config/colors
cd c:/Users/USERNAME/.WebIde50/config/colors
git clone https://github.com/cordoval/Symfony2Colors.git .
Go to Settings->Editor->Colors & Fonts, select the Symfony2 scheme name, click OK
Enjoy!