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I have downloaded the latest Notepad++ and ConTeXt settings as suggested by Professor Hamid and I'm enjoying the experience of using them!

However, I do not really like the colour scheme and tried to alter the background colours by editing "Application Data/Notepad++/UserDefineLang.xml", shutting down Notepad++ and starting up again (via Npp.bat), but no change. I also tried editing the "tex" entry in "Application Data/Notepad++/stylers.xml", but no joy. I tried going to menu item Settings - Style Configurator, but Context isn't in the list of languages.

How can I alter the default colour settings for ConTeXt, please?

Use the User Define Language dialog (the button to the left of the red-dot button)

http://notepad-plus.sourceforge.net/uk/UserLanguageDefineSystem-HOWTO.php

Choose ConTeXt and adjust anything you like (including color)!

Also, in Settings - Style Configurator, configure Global Styles. There is also a Global Override option.

So there is a global color scheme and a language-specific one.

Best wishes Idris

Idris, Thanks for your help. I was able to change the foreground colours from the "User Define" dialogue, but the background colour never changed. Thanks to your pointer, I eventually found the global override for the background colour under "Settings - Styler Configurator - Global Styles - Global Override". Regards, Richard