$grid->status(trans('alarm.status'))->display(function ($status) {
if ($status==1) {
return "<span class='label bg-red'>未處理</span>";
    }elseif ($status==2) {
return "<span class='label bg-yellow'>處理中</span>";
    }elseif($status==3) {
return "<span class='label bg-green'>
 
已完成</span>";
    }else{
return '異常';
    }
});

.bg-red    .bg-yellow   .bg-aqua   .bg-blue   .bg-light-blue   .bg-green,

.bg-navy   .bg-teal   .bg-olive   .bg-lime    .bg-orange   .bg-fuchsia   .bg-purple

.bg-maroon    .bg-black

只需把上面的類更換即可，上面的的都是可以使用的