[BUG] Popup - Background color - Not fully transparent

[TheQffel]

Is there an existing issue for this?

• I have searched the existing issues

Did you read the "Reporting a bug" section on Contributing file?

• I have read the "Reporting a bug" section on Contributing file: https://github.com/CommunityToolkit/Maui/blob/main/CONTRIBUTING.md#reporting-a-bug

Current Behavior

Setting popup overlay color to transparent doesn't make it fully transparent, it is still dimmed.

Expected Behavior

Expecting background overlay color to be transparent, but it is a bit dimmed.

Steps To Reproduce

Set background to transparent color:

<toolkit:Popup xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
               xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
               xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
               xmlns:local="clr-namespace:Mobile"
               BackgroundColor="Transparent"
               x:Class="Mobile.SideMenu"
               Padding="0"
               Margin="0">

</toolkit:Popup>

        private async void Button_Menu_Clicked(object sender, EventArgs e)
        {
            var options = new PopupOptions { Shape = null, Shadow = null, PageOverlayColor = Colors.Transparent };
            await Application.Current!.Windows[0].Page!.ShowPopupAsync(new SideMenu(), options);
        }

Link to public reproduction project repository

.

Environment

- .NET MAUI CommunityToolkit: 14
- OS: Windows / Adnroid
- .NET MAUI: 10

Anything else?

No response