1996453 - Some text in settings has low contrast with Light theme in private mode (black against dark purple background)

Status: NEW

(Firefox for Android :: Design System and Theming, defect)

Description

[Kestrel]

Attachment: Low contrast dark text in private mode with Light theme

STR:

1. Set theme to Light on latest Android Nightly 146.0a1.
2. Create a private tab.
3. Go to Settings > Site settings > Autoplay (or any other site setting) and note text contrast for options.
4. Go to Settings > HTTPS-Only Mode > Enable and note text contrast for "Enable in all tabs".
5. Go to Settings > Enhanced Tracking Protection > Custom and note the dropdown text contrast.
6. Go to Settings > Payment methods > Add card > Expiration Date and note dropdown text contrast (can't screenshot).
7. Go to Settings > Search > Default search engine > Add search engine and note contrast of default text inside textboxes.
8. Go to Settings > Extensions and note "Reviews" text contrast.
9. Go to Settings > Custom Extension collection (requires debug mode) and note contrast of default text inside textboxes.

Expected:
Text is light with good contrast.

Actual:
Text is dark with poor contrast against purple background.

Last good build: 2025-09-13
First bad build: 2025-09-15

Regression window:
https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=1172f45a3c14a6c5caf3fcccb03db4f9c9c69a61&tochange=f6d36df87193ea8d36e9bf816ab9582546e194aa

Possibly regressed by Bug 1974873.

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

:giorga, since you are the author of the regressor, bug 1974873, could you take a look? Also, could you set the severity field?

For more information, please visit BugBot documentation.

Comment 2

[Iorga Gabriel]

All the issues were fix with this bug

Comment 3

[BugBot [:suhaib / :marco/ :calixte]]

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

For more information, please visit BugBot documentation.

Comment 4

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1974873

Comment 5

[Kestrel]

Bug 1994126 fixed all except for the payment method expiration date dropdown (#6), it still appears black on latest Nightly 147.0a1.