Extension to https://gist.github.com/darrenjrobinson/6bd2cef36e5b1fa9d359c0ca1f22752c to turn them on and make them PINK

ChangeHueLightsState&Color.ps1

foreach ($light in $lights){

    $status = Invoke-RestMethod -Method Get -Uri "$($hueBridge)/$($username)/lights"
    $currentState = $status.$light | select state

    # "hue" = 46920 BLUE  56100 RED 25500 GREEN  12750 YELLOW 56100 PINK
    If ($currentState.state.on.Equals($false)){
        $body = @{"on"=$true; "hue" = 56100} | ConvertTo-Json
        write-host "Light $($light) is OFF, turning it ON and change color to PINK"
    } else {
        $body = @{"on"=$true; "hue" = 56100} | ConvertTo-Json
        write-host "Light $($light) is already ON, changing color to PINK"
    }
    $result = Invoke-RestMethod -Method PUT -Uri "$($hueBridge)/$($username)/lights/$($light)/state" -Body $body
    $result
}