HTML TextBox Color Theme

I a开发者_运维技巧m trying to find a way to apply color themes to the content of a textbox or a label.

Here is the effect I want to see:

Are there any tool which I can use to achieve this?

Any help will be appreciative.

There are some open source projects that do this, for example SyntaxHighlighter (using Javascript).

As SLaks suggested, you should accept answers to your questions to gain trust and support on the site.