A standard theme.json file is placed in your theme's root directory and typically includes these sections: : Specifies the API version (currently 2 or 3).
The two most common uses for this file are in development and Power BI reporting. 1. WordPress theme.json Guide themes.json
In Power BI, a JSON theme file dictates the default appearance of all visuals in a report, such as chart colors and border styles. Use report themes in Power BI - Microsoft Learn A standard theme
: Enables/disables UI tools and defines presets like your color palette and typography. WordPress theme
In WordPress, theme.json is the configuration file for block-based themes. It allows you to define global settings and styles that apply to both the front end and the editor.
: Check the WordPress Developer Handbook for a full reference. 2. Power BI theme.json Guide
Depending on whether you are building a modern website or a data report, a theme.json file serves as the "brain" for your design, controlling everything from colors and fonts to layout spacing.