The CSS Working Group invites implementations of an updated Candidate Recommendation Snapshot of CSS Color Adjustment Module Level 1. This module introduces a model and controls over automatic color adjustment by the user agent to handle user preferences, such as "Dark Mode", contrast adjustment, or specific desired color schemes.
CSS is a language for describing the rendering of structured documents (such as HTML and XML) on screen, on paper, etc.
https://www.w3.org/news/2025/updated-candidate-recommendation-css-color-adjustment-module-level-1/
