$dbc->do( "INSERT INTO color02 ( hexcode ) VALUES ( ? )", undef, $id );
  #my $db_result = $dbc->prepare('SELECT hexcode FROM color02 ORDER BY id DESC LIMIT 1');
  #$db_result->execute() or die $db_result->err_str;

       my ($dbc) = @_;
       my @row;
       my $sql = "SELECT hexcode, ts FROM color02 ORDER BY id DESC LIMIT 1";
       my $sth = $dbc->prepare($sql);