RainbowDelimiters is a “rainbow parentheses”-like mode which highlights parentheses, brackets, and braces according to their depth. Each successive level is highlighted in a different color. This makes it easy to spot matching delimiters, orient yourself in the code, and tell which statements are at a given depth.
Great care has been taken to make this mode FAST. You shouldn’t see any change in scrolling or editing speed when it's on even when working in delimiter-rich languages like Clojure, Emacs Lisp or Scheme. It can be used with any language, and can be enabled editor-wide.
You can customize the colors RainbowDelimiters uses. The default colors are intentionally subtle; they are unobtrusive enough to make the mode worth looking at even if you usually don’t like rainbow parentheses modes. Color themes Zenburn and Solarized have added their own faces for the mode.
This is the official github repository for rainbow-delimiters.
The latest release of rainbow-delimiters.el is always found here:
Further information is available on the EmacsWiki page:
Place rainbow-delimiters.el on your emacs load-path.
Compile the file (necessary for speed):
M-x byte-compile-file [location of rainbow-delimiters.el]
- Add the following to your dot-emacs/init file:
Activate the mode in your init file.
You can choose to enable it only for specific modes, or Emacs-wide:
To enable it only in certain modes, add lines like the following:
(add-hook 'clojure-mode-hook 'rainbow-delimiters-mode)
To enable it in all programming-related emacs modes (Emacs 24+):
(add-hook 'prog-mode-hook 'rainbow-delimiters-mode)
To activate the mode globally, add to your init file:
To temporarily activate rainbow-delimiters mode in an open buffer:
Additional discussion is at the top of the file and on the EmacsWiki page linked to above.