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.

Open
#3,072 0 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
45/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale

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:
  1. Launch visual studio.
  2. Create a new .NET project or open an existing .NET project.
  3. Right-click on the project in the solution explorer and Add > Machine Learning.
  4. Tab till scenario and select a scenario.
  5. Select training environment.
  6. Tab till next step and press enter, tab till advanced data options and press enter.
  7. Tab till Data formatting and press enter.
  8. 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:
Image
Dominant language
Dockerfile
Stars
285
Forks
66
PR merge metrics
No merged PRs in 30d

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

More from dotnet/machinelearning-modelbuilder

All issues in dotnet/machinelearning-modelbuilder

Similar issues

More Accessibility issues

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.