microsoft / microsoft/BotFramework-WebChat
[White Label -Card Actionstyles]: Luminosity ratio of Positive text is less than required ratio of 4.5:1.
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- Dominant language
- HTML
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Description
Is it an issue related to Adaptive Cards?
No.
What is the PWD impact?
When a minimum contrast ratio is not provided between text and its background, it is difficult for low-vision users as well as anyone in extreme lighting environments to read the content.
What browsers and screen readers do this issue affect?
Others
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?
Contrast ratio
What is the public URL for the website?
No response
How to reproduce the issue?
Repro Steps
- Open URL: https://compulim.github.io/webchat-loader/ and sign in using valid credentials.
- 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 Card Actionstyles word in type your message text box. - Response will appear.
- Navigate to the Positive text.
- Observe an issue that Luminosity ratio of Positive text is less than required ratio of 4.5:1.
What do you expect?
The element should maintain a minimum text to background luminosity contrast ratio of 4.5:1.
What actually happened?
Luminosity ratio of Positive text is less than required ratio of 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
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the issue at the webchat-loader URL using Web Chat version 4.18.1-main.20240927.ea7a875, the mockBot link, and the white label experience. Inspect the Positive text in the Card Actionstyles response and compare its text/background contrast with the WCAG Contrast Minimum reference. Done means the luminosity ratio is at least 4.5:1.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- html
- Domain
- accessibility, frontend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100