How to display chip in different colors in Xamarin.Forms ChipGroup?

<syncfusion:SfChipGroup ItemsSource="{Binding Employees}" ChipBackgroundColor="Transparent"
    SelectedChipBackgroundColor="Transparent" Type="Filter" >
 
    <syncfusion:SfChipGroup.ItemTemplate>
        <DataTemplate>
            <StackLayout>
                <syncfusion:SfChip Text="{Binding Name}" BackgroundColor="{Binding ChipColor}"/>
            </StackLayout>
        </DataTemplate>
    </syncfusion:SfChipGroup.ItemTemplate>
 
    <syncfusion:SfChipGroup.ChipLayout>
        <FlexLayout HorizontalOptions="Start" 
    VerticalOptions="Center" 
    Direction="Row" 
    Wrap="Wrap"
    JustifyContent="Start"
    AlignContent="Start" 
    AlignItems="Start"/>
    </syncfusion:SfChipGroup.ChipLayout>
 
</syncfusion:SfChipGroup>

public class ViewModel : INotifyPropertyChanged
{
    private ObservableCollection<Model> employees;
    public ObservableCollection<Model> Employees
    {
        get { return employees; }
        set
        {
            employees = value;
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Employees"));
        }
    }
 
    public ViewModel()
    {
        Employees = new ObservableCollection<Model>()
        {
            new Model() { Name = "John", ChipColor = Color.DarkCyan },
            new Model() { Name = "James", ChipColor = Color.Black },
            new Model() { Name = "Linda", ChipColor = Color.DarkBlue },
            new Model() { Name = "Mark", ChipColor = Color.DeepPink }
        };
    }
}