aistudio-wpf-diagram/AIStudio.Wpf.BaseDiagram/Extensions/ViewModels/SvgDesignerItemViewModel.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:s="clr-namespace:Util.DiagramDesigner;assembly=Util.DiagramDesigner"
                    xmlns:viewmodel="clr-namespace:AIStudio.Wpf.BaseDiagram.Extensions.ViewModels" 
                    xmlns:svg="clr-namespace:Svg2XamlTestExtension;assembly=Svg2XamlTestExtension">
    <s:ColorBrushConverter x:Key="ColorBrushConverter" />
    
    <DataTemplate DataType="{x:Type viewmodel:SvgDesignerItemViewModel}">
        <Grid IsHitTestVisible="False">
            <svg:PackSvg Width="Auto" Height="Auto" Path="{Binding Icon}" Fill="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}"/>
        </Grid>
    </DataTemplate>
</ResourceDictionary>