White Label - Document word]: Luminosity contrast ratio is 4.1:1 of time text, which is less than 4.5:1

Is it an issue related to Adaptive Cards?

No.

What is the PWD impact?

Users with low vision or color-vision deficiencies may have difficulty reading the “Time text” text due to insufficient color contrast, making the form harder to understand, complete, or navigate.

What browsers and screen readers do this issue affect?

Windows: Edge with Windows Narrator

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

No, I am using Web Chat without any customizations except "styleOptions".

What version of Web Chat are you using?

Latest production

Which area does this issue affect?

Others or unrelated

What is the public URL for the website?

No response

How to reproduce the issue?

1. Open URL: https://compulim.github.io/webchat-loader/ and sign in using valid credentials.
2. Navigate to web chat page and select 4.18.1-main.20240927.ea7a875 (30/9/2024) version and then select mockBot link under present label and then select open web chat in new window link at bottom.
   3.Navigate to white label experience chat page and type Document-word word in type your message text box.
   4.Navigate to the search results.
   5.Observe that, Luminosity contrast ratio is of time text which is less than 4.5:1

What do you expect?

The time text "6 minute ago" should have a color contrast ratio of at least 4.5:1 against its background to ensure that it is accessible to all users, including those with visual impairments.

What actually happened?

Luminosity contrast ratio is 4.1:1 of time text which is less than 4.5:1.

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

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

No response

MAS reference

No response

WCAG reference

https://www.w3.org/WAI/WCAG21/Understanding/contrast-minimum

WAI-ARIA reference

No response

Adaptive Card JSON

Additional context

No response

Reproduce the issue through the webchat-loader URL using the listed 4.18.1 version, mockBot, white label experience, and search results. Start by tracing the “Time text” styling and styleOptions behavior; done means the “6 minute ago” text reaches at least a 4.5:1 contrast ratio against its background.