Customise your Slack theme

From your desktop, you can redecorate your Slack workspace at any time by choosing a new theme or customising your own. If you're a member of multiple workspaces, try selecting a different theme for each one to help you quickly tell them apart.

Choose a new theme

You can customise the appearance and functionality of your sidebar, plus the look of your workspace. 

  1. On your desktop, sign in to the Slack workspace you want to customise.
  2. From your desktop, click your workspace name in the top left.
  3. Select Preferences.
  4. From the left-hand menu, choose Sidebar and select your preferences. To select custom colours, click Customise your theme and share it with others.

Your new theme will appear wherever you open this workspace: desktop, web or mobile!

Note: The theme you choose will only be seen by you and is not visible to other members. Read on to learn about sharing your new theme!

Tip: in your sidebar preferences, you'll find accessible themes that some people with colour-blindness have found helpful.

Select custom colours

To select custom colours for your Slack theme, you can type in any 6-digit HTML colour value or click a colour swatch to choose from the colour picker.

Share a custom Slack theme

Here’s how to share your custom Slack theme:

  1. From your desktop, click your workspace name in the top left.
  2. Select Preferences.
  3. From the left-hand menu, choose Sidebar.
  4. Under Custom theme, select the list of hex values found at the bottom of the page and copy them to your clipboard.
  5. Paste your theme into any Slack channel or DM.

From their desktop, team members can just click the Switch button to start using your theme.

Tip: When you paste any 6-digit colour value into Slack, we’ll display a small swatch for each colour. 🎨✨

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