2018165 - The added Tabs and Context Chips from the Smart bar are not properly displayed with High contrast

Status: VERIFIED FIXED

(Core :: Machine Learning: Frontend, defect)

Description

[Rares Doghi, Desktop QA]

Attachment: HighContrast.mp4

Found in

• Nightly 149.0a1 (2026-02-20)

Affected versions

• Nightly 149.0a1 (2026-02-20)

Affected platforms

• windows

Preconditions
Enable High contrast

Steps to reproduce

1. Reach the Smart Window.
2. Reach any website and open the Assistant Chat Sidebar
3. Hover over the Context chip.
4. Add any other Tab to the Smart bar.

Expected result

• The Added tabs and context chips should be properly displayed with High contrast.

Actual result

• The Added Tabs are not visible while the Context chips do not respect the High contrast theme.

Regression range
N/A

Comment 1

[❌ Anna Yeddi [:ayeddi] ❌ On leave until 2027-01-04]

The labels of these context tabs are not readable in the current High Contrast theme and, since CSS system colors are not used as expected for forced-colors mode, there is no guarantee that the labels could be readable in any other theme or color combination, making it unusable for HCM users.

Comment 2

[BugBot [:suhaib / :marco]]

The severity field is not set for this bug.
:Mardak, could you have a look please?

For more information, please visit BugBot documentation.

Comment 3

[:jlewis]

Attachment: Bug 2018165 - The added Tabs and Context Chips from the Smart bar are not properly displayed with High contrast r=#accessibility-frontend-reviewers

Comment 4

[Pulsebot]

Pushed by [e-mail]:
https://github.com/mozilla-firefox/firefox/commit/4497f60dc8b3
https://hg.mozilla.org/integration/autoland/rev/d4ea44a525a1
The added Tabs and Context Chips from the Smart bar are not properly displayed with High contrast r=accessibility-frontend-reviewers,ai-frontend-reviewers,morgan,czhou

Comment 5

[Cosmin Sabou [:CosminS]]

https://hg.mozilla.org/mozilla-central/rev/d4ea44a525a1

Comment 6

[BugBot [:suhaib / :marco]]

Since nightly and release are affected, beta will likely be affected too.
For more information, please visit BugBot documentation.

Comment 7

[BugBot [:suhaib / :marco]]

The patch landed in nightly and beta is affected.
:jlewis, is this bug important enough to require an uplift?

• If yes, please nominate the patch for beta approval.
  • See https://wiki.mozilla.org/Release_Management/Requesting_an_Uplift for documentation on how to request an uplift.
• If no, please set status-firefox150 to wontfix.

For more information, please visit BugBot documentation.

Comment 8

[Rares Doghi, Desktop QA]

Verified as fixed in our latest Nightly 151.0a1 (2026-04-15)

Comment 9

[Rares Doghi, Desktop QA]

Updating the main status flag.