*Contact emails*
[email protected], [email protected]

*Explainer*
https://github.com/gregoryd/prefers-bold-text/blob/main/prefers-bold-text%20Explainer.md

*Specification*
https://drafts.csswg.org/mediaqueries-5/#prefers-bold-text

*Summary*
Detects whether a user has requested bold text in their operating system's
accessibility settings via the prefers-bold-text CSS media query. The media
query evaluates to bold when the user has enabled system-wide bold text
(such as Android's Bold text accessibility toggle) and no-preference
otherwise. This allows web developers to adapt font weights, variable font
grade axes, or typography tokens to improve text legibility for users who
prefer bold text without breaking existing page layouts or visual hierarchy.

*Blink component*
Blink>CSS
<https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ECSS%22>

*Web Feature ID*
Missing feature

*Motivation*
Mobile operating systems such as Android and iOS offer a system-wide Bold
Text accessibility setting that many users enable to make on-screen text
easier to read (roughly 5.2% of Android users and 13% of iOS users, per
https://appt.org/en/stats/bold-text). Today, the web platform provides no
standard way for pages to detect this setting, so switching from the bolded
system UI to web content leaves users with thin, hard-to-read text. At the
same time, browsers cannot automatically force bold weights onto all web
pages without breaking existing layouts and causing text to overflow or
clip. Providing the prefers-bold-text media query lets web developers opt
in and adapt their typography—whether by increasing font weights, adjusting
a variable font's grade (GRAD) axis to thicken text without changing its
width, or switching to a more legible font family while keeping full
control over their page layout.

*Initial public proposal*
https://github.com/w3c/csswg-drafts/issues/14477

*Goals for experimentation*
None

*Tracking bug*
https://issues.chromium.org/issues/579397160

*Estimated milestones*

No milestones specified

*Link to entry on the Chrome Platform Status*
https://chromestatus.com/feature/6309160944795648?gate=5117818352828416

This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.

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