add colour to powershell script

$inputFiles = ".\londoncomps1.csv", ".\RomaniaComps.csv", ".\Singaporecomps.csv", ".\usacomps.csv"
$outputFile = "FireEyeServices_1.csv"
$inputFiles | ForEach `
{
    $file = $_

    import-csv $file | ForEach `
    {
        $Server = $_ | select -ExpandProperty hostname
	$Username = $_ | select -ExpandProperty username
        if ( Test-Connection -ComputerName $Server -Count 2 -Quiet )
        {
            Try
            {
                If ( $services = Get-Service *xagt* -ComputerName $Server )
                {
                    $services | Select Status, DisplayName, machinename, @{n="Username";e={$Username}},
                                @{n="SourceFile";e={$file}}
                }
                Else
                {
                    "" | Select @{n="Status";e={"Services not found"}},
                                @{n="DisplayName";e={"FireEye Services"}},
                                @{n="Machinename";e={$Server}},
				@{n="Username";e={$Username}},
                                @{n="SourceFile";e={$file}}
                }
		
      
            }
            Catch
            {
                "" | Select @{n="Status";e={"Error checking services"}},
                                @{n="DisplayName";e={""}},
                                @{n="Machinename";e={$Server}},
				@{n="Username";e={$Username}},
                                @{n="SourceFile";e={$file}}
            }
        }
        else 
        {
            "" | Select @{n="Status";e={"Couldn't ping server"}},
                        @{n="DisplayName";e={""}},
                        @{n="Machinename";e={$Server}},
						@{n="Username";e={$Username}},
                        @{n="SourceFile";e={$file}}
        }
    }
} | Export-Csv $outputFile -NoTypeInformation

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