The background_color attribute in the JSON Web Application Manifest allows web developers to provide a hint to Chrome indicating the background color of their web application. This color is used as the background of the application while its resources are fetched.



Specification link

Specification currently under development in a Working Group

Status in Chromium


Enabled by default (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

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Last updated on 2021-10-25