Introduction
Gamma allows you to design custom themes to match your brand or personal style. Follow the steps below to create, import, or edit a custom theme in Gamma. You can modify colors, fonts, logos, and other design elements to create a unique visual identity for your workspace.
What is a Custom Theme?
A custom theme in Gamma defines the overall visual style of your content, including colors, fonts, card styles and accent images.
🔷 Note: Custom themes are automatically shared with all users in your workspace.
How to Create a Custom Theme
You have two ways to create a custom theme in Gamma:
Option 1: Edit an Existing Theme
Click on the "three-dot menu (…)” at the bottom right of an existing theme.
Select "Customize Theme".
Adjust the following elements:
Colors: Modify the color palette for backgrounds, links, and buttons.
Fonts: Change the typography, including font styles and sizes.
Logos: Upload a logo to appear on all decks using this theme.
Design: Adjust card shapes, strokes, and shadows.
Images: Set default accent images and define AI-generated image styles.
To learn more, check out: How do I change my Gamma theme?
Option 2: Create a New Theme from Scratch
Navigate to "Themes".
Click "New Theme".
Follow the step-by-step builder to customize your:
Background and primary colors
Fonts and typography
Design elements (buttons, links, and shadows)
Logos and accent images
Save your theme to use it across your workspace.
How to Import a Theme
Gamma allows you to import themes from external sources like PowerPoint or Google Drive.
Steps to Import a Theme:
In the "Theme Editor", click "Import Theme".
The file must be saved as a PowerPoint (pptx.) or Google Drive format.
Upload your file.
Gamma will extract the colors, fonts, and logos from your file to create a matching theme.
How to Customize a Theme
Customizing Colors for Text, Background and Theme Palette
Open the "Theme Editor".
Navigate to the "Colors" tab.
Customize:
Background colors
Button and link colors
Element fills and outlines
Enter a Hex Code or use the color wheel to select colors.
Customizing Font Colors
Click on "Fonts" in the "Theme Editor".
Adjust heading and body text colors.
Apply gradients for a unique text style.
Customizing Typography & Font Settings
Gamma allows more control over typography in custom themes. You can adjust:
Line height
Letter spacing
Base size
Uppercasing (for headings only)
How to Add a Logo to Your Theme
Open "Themes" > "Logo" > "Upload".
Upload your logo.
The logo will automatically appear in the bottom-left corner of all decks using this theme.
💎 Pro Tip: You can also add your logo using headers and footers (only available for Pro Users).
To learn more, check out: How can I add headers and footers to my gamma?
Customizing the Design
You can adapt the design of cards, blocks, content, buttons, and links:
Roundness: Adjust how sharp or rounded elements appear.
Stroke and Shadow: Add outlines or hard shadows to content.
Block Colors and Fills: Customize the colors of smart layouts and interactive elements.
How to Set a Consistent Image Style
Open the Theme Editor.
Navigate to Images.
Add specific keywords for AI-generated images to maintain a consistent style.
Upload accent images to apply them to your custom theme.
FAQs & Common Issues
Why can't I import my document to the theme editor?
Ensure that your theme is saved as Powerpoint 'pptx' or as a Google Slide. Gamma does not yet support PDF or doc uploads to the custom theme workspace.
Can I share my custom theme with my team?
Yes! Custom themes are automatically shared across your workspace.
Why doesn’t my logo appear on my gamma?
Ensure your theme is applied correctly under Themes > Edit Theme > Logo.
Can I import themes from Figma or Canva?
Currently, Gamma supports importing from PowerPoint and Google Drive, but not from Figma or Canva.
Why aren’t my custom fonts displaying correctly?
Check that your font files are correctly uploaded under Themes > Edit Theme > Fonts.