If you can't find a theme that suits your needs, you can create your own custom theme JSON file. Here are some tips:

Use any text editor (VS Code, Notepad++) to:

While free JSON themes are excellent for prototyping and learning, enterprise deployments often require a custom theme built by a design team to ensure accessibility (WCAG contrast) and branding fidelity. Use free themes as a foundation, then tailor them to your exact needs.

Power BI Themes: How to Download and Use Free JSON Files In the world of data visualization, branding and readability are paramount. While Power BI comes with several built-in styles, professional-grade reports often require custom JSON (JavaScript Object Notation) themes to maintain corporate branding or improve user experience. This guide explores where to find high-quality options and how to apply them to your reports. Why Use JSON Themes in Power BI?