### Steps to reproduce 1. flutter run the dev/a11y_assesment app: https://github.com/flutter/flutter/tree/master/dev/a11y_assessments 2. Navigate to MaterialBanner demo 3. Turn on Dark Mode in System Settings 4. Navigate back to assement app ### Expected results MaterialBanner text should be readable ### Actual results MaterialBanner text is not readable https://github.com/user-attachments/assets/4819c9ae-aa84-4ac6-8b80-79ba8555feee ### Code sample <details open><summary>Code sample</summary> ```dart [Paste your code here] ``` </details> ### Screenshots or Video <details open> <summary>Screenshots / Video demonstration</summary> [Upload media here] </details> ### Logs <details open><summary>Logs</summary> ```console [Paste your logs here] ``` </details> ### Flutter Doctor output <details open><summary>Doctor output</summary> ```console [Paste your output here] ``` </details>
Steps to reproduce
Expected results
MaterialBanner text should be readable
Actual results
MaterialBanner text is not readable
Screen_recording_20260429_132222.webm
Code sample
Code sample
[Paste your code here]Screenshots or Video
Screenshots / Video demonstration
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Logs
Logs
[Paste your logs here]Flutter Doctor output
Doctor output
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