Color contrast ratio of focus indicator over 'toolStripSplitButton1' is 1.247:1 which is less than 3:1: A11y_.NET CoreWinforms_StripControls_Toolstripwithmenuitem_NonTextContrast

[PoojaNamde]

.NET version

dotnet-sdk-9.0.100-preview.5.24258.1

Did it work in .NET Framework?

Yes

Did it work in any of the earlier releases of .NET Core or .NET 5+?

No response

Issue description

GitHub Tags:
#A11yMAS; #A11yTCS; #A11ySev2; #BM_.NET Core[Winforms]_Win32_May2024; #.NETCore; #WCAG1.4.11; #DesktopApp; #Win11; #FTP; #NonTextContrast;

Environment Details:

App name: .NET Core Winforms
Window Version: Win 11
OS Build: 22621.3085

Repro Steps:

1. Launch the "Accessibility core app".
2. Main Form screen would appear.
3. TAB to "MenuToolbars_Controls:Testing the controls under Menu Toolbars Tab" and hit ENTER key.
4. TAB to StripControls button and hit ENTER key.
5. TAB to 'toolStripSplitButton1' present at below section of the screen.
6. Observe the issue.

Actual Result:

Color contrast ratio of focus indicator over 'toolStripSplitButton1' is 1.247:1 which is less than 3:1.

Similar issue is also observed in below scenario:
Issue 1: ToolStripContainer

1. Launch the "Accessibility core app".
2. Main Form screen would appear.
3. TAB to "MenuToolbars_Controls:Testing the controls under Menu Toolbars Tab" and hit ENTER key.
4. TAB to ToolStripContainer button and hit ENTER key.
5. TAB to 'toolStripSplitButton2' present at below section of the screen.
6. Observe that color contrast ratio over "toolStripSplitButton2" is failing.

Issue2: PrintingTesting_PrintPreview:

1. Launch the "Accessibility core app".
2. Main Form screen would appear.
3. TAB to "Printing_Controls:Testing the controls under Printing Tab" and hit ENTER key.
4. TAB to Preview button and hit ENTER key.
5. Print Preview Screen would appear.
6. Navigate to "Zoom" button using TAB key and observe that color contrast ratio over "Zoom" is failing.

Expected Result:

Color contrast ratio of focus indicator over 'toolStripSplitButton1' should be greater than or equal to 3:1

User Impact:

Low vision users will not be able to identify where the focus is and will not be able to interact with the control.

Attachment

[Yash14j]

GithubTags:#Rev:yaja;

[merriemcgaw]

@LeafShi1 can you change the border of all selected ToolStripItems to a solid dark line? Make sure the contrast works in the high contrast themes as well.

[LeafShi1]

@Olina-Zhang Can your team help test whether other controls have the same problem?

[Olina-Zhang]

@Olina-Zhang Can your team help test whether other controls have the same problem?

Other controls haven't this problem.