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Ruby Blue Textmate Theme Tutorial

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The Ruby Blue TextMate theme is a visually appealing color scheme designed specifically for developers working with Ruby and other languages within the TextMate editor. Its dark background and vibrant syntax highlighting make it an excellent choice for extended coding sessions, reducing eye strain and making code structures immediately apparent. This guide will walk you through the technical aspects of installing and customizing the Ruby Blue theme in TextMate, ensuring a personalized and productive coding environment.


To get started with the Ruby Blue theme in TextMate, you’ll first need to ensure that you have TextMate installed on your system. Once TextMate is set up, follow these steps to install the Ruby Blue theme:

  1. Download the Theme:
    • The Ruby Blue theme can be found on various theme repositories or the official TextMate themes gallery. Download the .tmTheme file to your local machine.
  2. Importing the Theme into TextMate:
    • Open TextMate, and navigate to TextMate > Preferences from the menu bar.
    • Switch to the Themes tab within the Preferences window.
    • Click the Reveal button to open the Themes folder in Finder.
    • Drag and drop the downloaded .tmTheme file into this folder.
  3. Activating the Theme:
    • Still in the Themes tab of the Preferences window, you should now see the Ruby Blue theme listed among available themes.
    • Select Ruby Blue to activate it. The theme will immediately apply to all open documents.


While the default settings of the Ruby Blue theme are designed to enhance readability and aesthetic appeal, you might find yourself wanting to tweak certain aspects to better suit your preferences. TextMate makes it easy to customize themes directly within the editor.

  1. Modifying Colors:
    • In the Themes tab of the Preferences window, select the Ruby Blue theme.
    • Click the Edit button to open the theme editor.
    • Here, you can modify the colors associated with various syntax elements. For example, to change the color for comments, click on the color next to Comments and select a new color from the picker.
# Before customization
# This comment might be in a light blue color.

# After customization
# This comment is now in a soft green color.
  1. Adjusting Font Settings:
    • Within the same theme editor window, you can also adjust the font type and size used by the theme.
    • Select the Settings tab at the top of the theme editor.
    • Modify the Font Name and Font Size fields as desired to apply changes globally to all syntax elements.

Sharing Your Custom Theme

After customizing the Ruby Blue theme to your liking, you might want to share it with others. TextMate allows you to export your theme as a .tmTheme file, which can be distributed and imported into any TextMate setup:

  • Navigate back to the Themes tab in the Preferences window.
  • With the Ruby Blue theme (or your customized version) selected, click the Export button.
  • Choose a location to save the .tmTheme file, and share it as desired.


The Ruby Blue theme for TextMate offers a distinctive and comfortable coding environment, especially for Ruby developers. By following the steps outlined above, you can install, customize, and even share your personalized version of the theme, making your coding experience more enjoyable and tailored to your needs. Whether you stick with the default settings or dive into customization, the Ruby Blue theme is a solid choice for enhancing your TextMate editor’s visual appeal and functionality.

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