Public/Convert/Convert-ARGBToHex.ps1

function Convert-ARGBToHex {

    [cmdletbinding()]
    Param(
        [parameter(Mandatory=$True)]
        [string]$RGB_Val
    )
    
    Begin{}

    Process {
        #-separate the ARGB values
        $var_RGB = $RGB_Val.split(',')

        #-Convert values to Hex
        $var_A = [Convert]::ToString($var_RGB[0], 16).ToUpper()
        $var_R = [Convert]::ToString($var_RGB[1], 16).ToUpper()
        $var_G = [Convert]::ToString($var_RGB[2], 16).ToUpper()
        $var_B = [Convert]::ToString($var_RGB[3], 16).ToUpper()

        #-pad single digit values to ensure 8 character Hex is returned
        If ($var_A.Length -eq 1) {$var_A = "0$var_A"}
        If ($var_R.Length -eq 1) {$var_R = "0$var_R"}
        If ($var_G.Length -eq 1) {$var_G = "0$var_G"}
        If ($var_B.Length -eq 1) {$var_B = "0$var_B"}

        #-Output concatenated hex value
        Write-Output "#$var_A$var_R$var_G$var_B"
    }

    End{}
    <#
        .SYNOPSIS
            Converts ARGB to Hex values
 
        .DESCRIPTION
            Converts ARGB to Hex values. ARGB values are needed to save console colors to xml format
 
        .PARAMETER Hex_Val
            The ARGB value
 
        .EXAMPLE
            PS C:\> $Hex = Convert-ARGBToHex $ARGBValue
 
            Assigns converted ARGB value to Hex variable
 
        .NOTES
            Part of the ISEColorThemeCmdlets.ps1 Script by Jeff Pollock
            http://Lifeinpowerhsell.blogspot.com
            http://gallery.technet.microsoft.com/ISE-Color-Theme-Cmdlets-24905f9e
    #>


}