Powershell Console Gradient Foreground

Write-Gradient.ps1

# https://docs.microsoft.com/en-us/windows/console/console-virtual-terminal-sequences
function Gradient {
    param(
        [string] $Start,
        [string] $End,
        [double] $Grade,
        [string] $Text
    )

    $marker = [char]27
    $code = 0..2 | ForEach-Object {
        $offset = 0  + $_ * 2
        $a = [int]("0x" + $Start.Substring($offset, 2))
        $b = [int]("0x" + $End.Substring($offset, 2))
        [string][int]((($b - $a) * $Grade) + $a)
    } | Join-String -Separator ";"
    "$marker[38;2;$($code)m$Text$marker[0m"
}

1..100 | % { Gradient -Start "0000FF" -End "FF0000" -Grade ($_ * (1/100)) -Text "Moin" }