modernkeepass/ModernKeePass/Views/UserControls/ColorPickerUserControl.xaml

<UserControl x:Name="UserControl"
    x:Class="ModernKeePass.Views.UserControls.ColorPickerUserControl"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">
    <ComboBox x:Name="ComboBox" 
        DataContext="{Binding Source={StaticResource Locator}, Path=ColorPicker}"
        ItemsSource="{Binding Colors}"
        SelectedItem="{Binding SelectedItem}"
        SelectedValue="{Binding SelectedColor, ElementName=UserControl}" 
        SelectedValuePath="ColorBrush"
        Loaded="ComboBox_OnLoaded"
        SelectionChanged="ComboBox_OnSelectionChanged"
        IsEnabled="{Binding IsEnabled, ElementName=UserControl}">
        <ComboBox.ItemTemplate>
            <DataTemplate>
                <StackPanel Orientation="Horizontal" Margin="0,0,10,0">
                    <TextBlock Width="100" Text="{Binding ColorName}" Margin="0,0,10,0" />
                    <Rectangle Width="100" Fill="{Binding ColorBrush}" />
                </StackPanel>
            </DataTemplate>
        </ComboBox.ItemTemplate>
    </ComboBox>
</UserControl>