Rocket.Chat in Slack Color
By Vladimir Mikhalev · Solutions Architect · Docker Captain · IBM Champion
This article is for those looking for a detailed and clear guide on how to make Rocket.Chat in Slack Color.

Rocket.Chat is an open-source fully customizable communications platform developed in JavaScript for organizations with high standards of data protection.
NOTEFor details on installing Rocket.Chat on Ubuntu Server, read my guide: Install Rocket.Chat on Ubuntu Server.
IMPORTANTYou need to have administrator rights in Rocket.Chat to change the color palette.
Click on the icon with three dots 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.

Rocket.Chat will now look more like Slack.
To update the color palette in the web interface and in the Rocket.Chat client for Windows and Linux, use the keyboard shortcut “Ctrl” and “R”.
To update the color palette in the Rocket.Chat client for macOS, you must use the keyboard shortcut “Command” and “R”.
The Verdict
Inconvenient truths about shipping in the AI era
Container security, platform engineering, and the agentic shift — tested in production, argued without the hype. The verdict reaches your inbox the moment there's one worth sending.
Related Posts
- 1Install ownCloud Using Docker ComposeSelf-Hosting · Learn how to install ownCloud with Docker Compose on Ubuntu using Traefik and Let's Encrypt. Secure, scalable file storage and sharing for your server.
- 2Install Docmost Using Docker ComposeSelf-Hosting · Learn how to install Docmost using Docker Compose with Traefik and Let's Encrypt. Step-by-step guide for self-hosting a modern documentation platform.
- 3Install AFFiNE Using Docker ComposeSelf-Hosting · Step-by-step guide to install AFFiNE using Docker Compose with Traefik and Let's Encrypt. Build your open-source productivity platform in minutes.
- 4Install Homebox Using Docker ComposeSelf-Hosting · Step-by-step guide to install Homebox with Docker Compose and Traefik. Secure your home inventory system with HTTPS using Let's Encrypt.
Random Posts
- 1Install Exchange Server 2013SysAdmin & IT Pro · Step-by-step guide to install Exchange Server 2013 on Windows Server 2012 R2, including prerequisites, AD preparation, and full installation walkthrough.
- 2Platform Engineering — The Complete, Practical Guide to Building Internal Developer Platforms That ScaleDevOps & Cloud · A deep, practical guide to Platform Engineering. Learn how to build internal developer platforms, golden paths, GitOps workflows, and scalable cloud foundations.
- 3Install Zabbix Using Docker ComposeSelf-Hosting · Step-by-step guide to install Zabbix with Docker Compose using Traefik and Let's Encrypt. Perfect for self-hosted monitoring on Ubuntu Server.
- 4Install Active Directory Domain Services on Windows Server 2019 Server CoreSysAdmin & IT Pro · Learn how to install and configure Active Directory Domain Services on Windows Server 2019 Server Core using PowerShell. Step-by-step setup for your AD DS role.