Themes.json May 2026

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.

: Enables/disables UI tools and defines presets like your color palette and typography.

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 themes.json

: Assigns specific styles (like font size or background color) to elements or blocks. templateParts : Registers parts like headers or footers. Quick Template

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). In WordPress, theme

: Check the WordPress Developer Handbook for a full reference. 2. Power BI theme.json Guide

The two most common uses for this file are in development and Power BI reporting. 1. WordPress theme.json Guide In Power BI, a JSON theme file dictates

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.