Dark mode - CSAT rating options do not have visible text in dark mode

[chandylan]

Is it an issue related to Adaptive Cards?

No.

What is the PWD impact?

Dark mode users will not be able to distinguish rating options

What browsers and screen readers do this issue affect?

Windows: Chrome with NVDA

Are there any code-based customization done to Web Chat?

Yes, however, this also repro when customizations are not in use.

What version of Web Chat are you using?

Latest production

Which area does this issue affect?

Contrast ratio

What is the public URL for the website?

copilot studio test chat

How to reproduce the issue?

1. Login to Copilot Studio and open an Agent
2. Click on settings->General setting->toggle on the Dark mode on button
3. In the test chat, trigger a topic which has end of conversation (e.g. send "goodbye")
4. Click the "yes" quick reply until you reach the CSAT message ("Great! Please rate your experience" with stars labeled 1-5)

What do you expect?

CSAT rating numbers are visibly clear (e.g. white or light gray)

here is how the numbers look in light mode:

What actually happened?

CSAT rating numbers are not clear:

This is likely because the CSAT options are static images with black text

Do you have any screenshots or recordings to repro the issue?

see above

Did you find any DOM elements that might have caused the issue?

see above

MAS reference

No response

WCAG reference

No response

WAI-ARIA reference

No response

Adaptive Card JSON

Additional context

No response