signature background color

hi,

Im using PHPR 9.8
// signature background color

$this->settings["bgcolor"] = "#ffffff"; and
on Documents\PHPRunnerPlugins\edit\EditSignaturePad.php

public function initUserControl()

{

$this->required = false;

$this->width = 300;

$this->height =100;

$this->bgcolor = "#ffffff";

$this->bgimage = "";

$this->folder = "files";

$this->linew = 2;

$this->color = "#145394";
my feld size varchar(400)
but SignaturePad backgroundcolor is not coming white but coming another dark color.
may you help me with this?

best regards.