This article is written for those who were searching for a detailed and simple for the understanding guide on how to make Rocket.Chat in Slack color.

Rocket.Chat is an open-source messenger that supports group chats, file sharing, video conferencing, bots and more. Rocket.Chat can be installed on your own server, and then communicate using the web interface, a personal computer, or a mobile device.

For details on how to install Rocket.Chat on Ubuntu Server, you can read in my guide «Installing Rocket.Chat on Ubuntu Server».

Please note that to change the color palette you need to have administrator rights in Rocket.Chat.

Click on the icon with the image of three points in the upper left corner of the screen and select “Administration”.

Next, find the “Layout” section and open the “Colors” subsection.

Change the colors to the ones below:

  • Primary: #3F0E40
  • Primary Darkest: #350D36
  • Primary Dark: #1164A3
  • Primary Light: #FFFFFF
  • Link Active: #1164A3

Click on the “Save Changes” button.

Now Rocket.Chat will be more like Slack.

To update the color palette in the web interface and in the Rocket.Chat client application for Windows and Linux, you must use the Ctrl and R keys.

To update the color palette in the Rocket.Chat client application for macOS, you must use the keyboard shortcut “Command” and “R”.


Hi, I’m Vladimir Mikhalev, but my friends call me Valdemar. I have a lot of experience in the design and maintenance of various information systems. On my website, you will find detailed and clear guides for setting up IT solutions. Dive into the ocean, full of positive and technology! For cooperation:

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