Addressed feedback

src/modules/colorPicker/ColorPickerUI/Controls/ColorFormatControl.xaml

@@ -173,7 +173,6 @@
                 <Button.Content>
                     <TextBlock
                         FontFamily="Segoe Fluent Icons, Segoe MDL2 Assets"
-                        FontSize="20"
                         Text="&#xE8C8;" />
                 </Button.Content>
             </Button>

src/modules/colorPicker/ColorPickerUI/Controls/ColorPickerControl.xaml

@@ -221,7 +221,7 @@
                     StaysOpen="False"
                     Placement="Top">
                     <Border
-                        CornerRadius="10"
+                        CornerRadius="16"
                         BorderBrush="{DynamicResource {x:Static SystemColors.ActiveBorderBrushKey}}"
                         BorderThickness="1"
                         Background="{DynamicResource ApplicationBackgroundBrush}"
@@ -368,14 +368,14 @@
                             MaxLength="7"
                             TextChanged="HexCode_TextChanged"
                             TextWrapping="Wrap" />
-
+                            
                             <Button
                             x:Name="OKButton"
                             Grid.Row="9"
                             Grid.ColumnSpan="4"
                             Margin="0,32,0,0"
                             HorizontalAlignment="Stretch"
-                            Background="{DynamicResource {x:Static SystemColors.AccentColorBrushKey}}"
+                            Style="{StaticResource AccentButtonStyle}"
                             AutomationProperties.Name="{x:Static p:Resources.Select}"
                             Click="OKButton_Click"
                             Content="{x:Static p:Resources.Select}" />

src/modules/colorPicker/ColorPickerUI/Views/ColorEditorView.xaml

@@ -22,24 +22,25 @@
                 <ColumnDefinition Width="Auto" />
             </Grid.ColumnDefinitions>
             <Button Height="36"
-        VerticalAlignment="Top"
-        AutomationProperties.Name="{x:Static p:Resources.Pick_color}"
-        Command="{Binding OpenColorPickerCommand}"
-        TabIndex="0"
-        ToolTipService.ToolTip="{x:Static p:Resources.Pick_color}">
+                    VerticalAlignment="Top"
+                    AutomationProperties.Name="{x:Static p:Resources.Pick_color}"
+                    Command="{Binding OpenColorPickerCommand}"
+                    TabIndex="0"
+                    ToolTipService.ToolTip="{x:Static p:Resources.Pick_color}">
 
                 <StackPanel Orientation="Horizontal">
                     <TextBlock
-                        FontFamily="Segoe Fluent Icons, Segoe MDL2 Assets"
-                        Text="&#xef3c;"/>
-
-        <!-- The label text -->
-        <TextBlock Margin="8,0,0,0"
-                   Text="{x:Static p:Resources.New_Label}"
-                   VerticalAlignment="Center" />
-    </StackPanel>
-            </Button>
+                            Margin="0,4,0,0"
+                            FontFamily="Segoe Fluent Icons, Segoe MDL2 Assets"
+                            Text="&#xef3c;"/>
 
+                    <!-- The label text -->
+                    <TextBlock Margin="8,0,0,0"
+                            Text="{x:Static p:Resources.New_Label}"
+                            VerticalAlignment="Center" />
+                </StackPanel>
+            </Button>
+
             <ListView
                 x:Name="HistoryColors"
                 Grid.Column="1"
@@ -278,8 +279,9 @@
             Visibility="{Binding ColorsHistory.Count, Converter={StaticResource numberToInvertedVisibilityConverter}}">
             <TextBlock 
                 FontFamily="Segoe Fluent Icons, Segoe MDL2 Assets"
-                FontSize="40"
-                Text="&#xE74D;" />
+                HorizontalAlignment="Center"
+                FontSize="36"
+                Text="&#xEF3C;" />
             <TextBlock
                 Margin="24,16,24,16"
                 HorizontalAlignment="Center"