Color contrast ratio of the focus indicator on "Radio" buttons with the background is 1.237:1 which is less than 3:1 in Dark mode: A11y_ML.NET Model Builder_Scenario_Non Text Contrast.
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 45/100
- Issue type
- Bug
- Clarity
- Mostly clear
- Activity status
- Stale
- Domain
- accessibility, desktop, machine-learning
Research direction
Start by reproducing the issue in ML.NET Model Builder through the Data formatting step in Dark mode, following the reported keyboard path. Locate the Radio button focus styling used by that screen, then verify the focus indicator and background contrast reaches at least 3:1 and repeat the scenario.
Written by the indexing model from the issue text.
Description
GitHubTags
#A11ySev2; #A11yTCS;#DesktopApp; #Win32;#Model Builder - Machine Learning for .NET Developers;#BM-MlnetModelBuilder-Win32-OCt25;#Win32;#A11yMAS;#WCAG1.4.11;#Non Text Contrast;
Environment Details:
Application Name: ML.NET Model Builder
Edition Windows 11 Enterprise
Version 25H2
OS build 26200.6899
Microsoft Visual Studio Enterprise
Channel: Canary
Version: 18.3.0 Insiders [11121.168.main]
Repro Steps:
- Launch visual studio.
- Create a new .NET project or open an existing .NET project.
- Right-click on the project in the solution explorer and Add > Machine Learning.
- Tab till scenario and select a scenario.
- Select training environment.
- Tab till next step and press enter, tab till advanced data options and press enter.
- Tab till Data formatting and press enter.
- Verify that Color contrast ratio of the focus indicator on "Radio" buttons with the background is 1.259:1 which is less than 3:1 in Dark mode
Actual Result:
Color contrast ratio of the focus indicator on "Radio" buttons with the background is 1.259:1 which is less than 3:1 in Dark mode
Expected Result:
The color contrast ratio of the focus indicator on "Radio" button with the background should be greater than or equal to 3:1.
User Impact:
When the color contrast is less than 3:1, it makes the text difficult to see. This can lead to poor visibility and hinder accessibility for users with visual impairments.
Attachment:
- Dominant language
- Dockerfile
- Stars
- 285
- Forks
- 66
- PR merge metrics
- No merged PRs in 30d
Contributor guide
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First steps
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- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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