The theme_color attribute in the JSON Web Application Manifest allows web developers to provide a global theme color which can be used throughout their entire website. This color is used for the header in the recents menu of Android.

Documentation

• https://developers.google.com/web/updates/2015/09/using-manifest-to-set-sitewide-theme-color
• https://developer.mozilla.org/en-US/docs/Web/Manifest

Specification

Specification link

Status: Specification currently under development in a Working Group

Status in Chromium

Blink components: Blink

Implementation status: Enabled by default (tracking bug)

Consensus & Standardization

• Firefox: Shipped/Shipping
• Safari: No signal
• Web Developers: No signals

Owners

• lalitm@google.com
• mlamouri@chromium.org

Comments

It should be noted that if a theme color is specified as a meta-tag for a certain page (see https://developers.google.com/web/updates/2014/11/Support-for-theme-color-in-Chrome-39-for-Android?hl=en), then the information from the meta tag will override the global theme color option in the manifest for that page.

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Last updated on 2021-10-25