diff --git a/Merge-worksheet.ps1 b/Merge-worksheet.ps1
index cdf1d49..2c321cd 100644
--- a/Merge-worksheet.ps1
+++ b/Merge-worksheet.ps1
@@ -101,13 +101,13 @@
          #Name of a column which is unique used to pair up rows from the refence and difference side, default is "Name".
          $Key           = "Name" ,
          #Sets the font color for the "key" field; this means you can filter by color to get only changed rows.
-         [System.Drawing.Color]$KeyFontColor          = "DarkRed",
+         [System.Drawing.Color]$KeyFontColor          = [System.Drawing.Color]::DarkRed ,
          #Sets the background color for changed rows.
-         [System.Drawing.Color]$ChangeBackgroundColor = "Orange",
+         [System.Drawing.Color]$ChangeBackgroundColor = [System.Drawing.Color]::Orange,
          #Sets the background color for rows in the reference but deleted from the difference sheet.
-         [System.Drawing.Color]$DeleteBackgroundColor = "LightPink",
+         [System.Drawing.Color]$DeleteBackgroundColor = [System.Drawing.Color]::LightPink,
          #Sets the background color for rows not in the reference but added to the difference sheet.
-         [System.Drawing.Color]$AddBackgroundColor    = "PaleGreen",
+         [System.Drawing.Color]$AddBackgroundColor    = [System.Drawing.Color]::PaleGreen,
          #if Specified hides the rows in the spreadsheet that are equal and only shows changes, added or deleted rows.
          [switch]$HideEqual ,
          #If specified outputs the data to the pipeline (you can add -whatif so it the command only outputs to the pipeline).
@@ -229,9 +229,9 @@
                             foreach ($result in $_.Group) {
                                 if     ($result.SideIndicator -ne "=>")      {$hash["_Row"] = $result._Row  }
                                 elseif (-not $hash["$DiffPrefix Row"])       {$hash["_Row"] = "" }
-                                #if we have already set the side, this must be the second record, so set side to indicate "changed"; if we got two "Same" indicators we may have a classh of keys  
+                                #if we have already set the side, this must be the second record, so set side to indicate "changed"; if we got two "Same" indicators we may have a classh of keys
                                 if     ($hash.Side) {
-                                    if ($hash.Side -eq $result.SideIndicator) {Write-Warning -Message "'$keyval' may be a duplicate."}  
+                                    if ($hash.Side -eq $result.SideIndicator) {Write-Warning -Message "'$keyval' may be a duplicate."}
                                         $hash.Side = "<>"
                                 }
                                 else   {$hash["Side"] = $result.SideIndicator}
@@ -259,7 +259,7 @@
                                     elseif ($result.SideIndicator -eq "=>")  {                $hash[("$DiffPrefix $p")] = $result.$P}
                                  }
                              }
-                             
+
                              foreach ($k in $hash.keys) {$eDiffProps[$k] = $true}
                              [Pscustomobject]$hash
      }  | Sort-Object -Property "_row"
@@ -375,13 +375,13 @@ Function Merge-MultipleSheets {
         #Name of a column which is unique used to pair up rows from the refence and difference side, default is "Name".
         $Key           = "Name" ,
         #Sets the font color for the "key" field; this means you can filter by color to get only changed rows.
-        [System.Drawing.Color]$KeyFontColor          = "Red",
+        [System.Drawing.Color]$KeyFontColor          = [System.Drawing.Color]::Red,
         #Sets the background color for changed rows.
-        [System.Drawing.Color]$ChangeBackgroundColor = "Orange",
+        [System.Drawing.Color]$ChangeBackgroundColor = [System.Drawing.Color]::Orange,
         #Sets the background color for rows in the reference but deleted from the difference sheet.
-        [System.Drawing.Color]$DeleteBackgroundColor = "LightPink",
+        [System.Drawing.Color]$DeleteBackgroundColor = [System.Drawing.Color]::LightPink,
         #Sets the background color for rows not in the reference but added to the difference sheet.
-        [System.Drawing.Color]$AddBackgroundColor    = "Orange",
+        [System.Drawing.Color]$AddBackgroundColor    = [System.Drawing.Color]::Orange,
         #if Specified hides the columns in the spreadsheet that contain the row numbers
         [switch]$HideRowNumbers ,
         #If specified outputs the data to the pipeline (you can add -whatif so it the command only outputs to the command)
diff --git a/New-ConditionalText.ps1 b/New-ConditionalText.ps1
index edbbf06..45e966c 100644
--- a/New-ConditionalText.ps1
+++ b/New-ConditionalText.ps1
@@ -40,8 +40,8 @@ function New-ConditionalText {
         [Alias("ConditionValue")]
         $Text,
         [Alias("ForeGroundColor")]
-        [System.Drawing.Color]$ConditionalTextColor="DarkRed",
-        [System.Drawing.Color]$BackgroundColor="LightPink",
+        [System.Drawing.Color]$ConditionalTextColor=[System.Drawing.Color]::DarkRed,
+        [System.Drawing.Color]$BackgroundColor=[System.Drawing.Color]::LightPink,
         [String]$Range,
         [OfficeOpenXml.Style.ExcelFillStyle]$PatternType=[OfficeOpenXml.Style.ExcelFillStyle]::Solid,
         [ValidateSet(