rainbow-delimiters

rainbow-delimiters is a "rainbow parentheses"-like mode which highlights delimiters such as parentheses, brackets or 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 or Emacs Lisp. It can be used with any language.

You can customize the colors rainbow-delimiters 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. A number of major color themes such as 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 is always found at https://github.com/Fanael/rainbow-delimiters/tree/master

Installation

The recommended way is to use MELPA or MELPA Stable. If either is in your package-archives, do

M-x package-install RET rainbow-delimiters RET

Otherwise, open rainbow-delimiters.el in Emacs and use

M-x package-install-from-buffer

Any other methods of installation are unsupported.

Usage

To toggle the mode in the current buffer:

M-x rainbow-delimiters-mode

To start the mode automatically in foo-mode, add the following to your init file:

(add-hook 'foo-mode-hook #'rainbow-delimiters-mode)

To start the mode automatically in most programming modes (Emacs 24 and above):

(add-hook 'prog-mode-hook #'rainbow-delimiters-mode)

Customization

To customize various options, including the color theme:

M-x customize-group rainbow-delimiters

You can specify custom colors by customizing following faces:

• Faces take the form rainbow-delimiters-depth-N-face, with N being the depth. Depth begins at 1, the outermost color. Faces exist for depths 1-9.
• The unmatched delimiter face: rainbow-delimiters-unmatched-face.
• The mismatched delimiter face: rainbow-delimiters-mismatched-face.