librenms-librenms/html/includes/print-device-graph.php

<?php

$graph_array['type'] = $graph_type;
$graph_array['id']   = $device['device_id'];

$g_i++;
if (!is_integer($g_i/2)) { $row_colour = $list_colour_a; } else { $row_colour = $list_colour_b; }

echo('<div style="background-color: '.$row_colour.';">');
echo('<div style="padding:4px 0px 0px 8px;" class=graphhead>'.$graph_title.'</div>');

include("includes/print-quadgraphs.inc.php");

echo('</div>');

?>