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Bootstrap class: .progress-bar bg-*

<div class="progress"> <div class="progress-bar bg-primary" role="progressbar" style="width: 12%" aria-valuenow="12" aria-valuemin="0" aria-valuemax="100"></div> </div>
<div class="progress"> <div class="progress-bar bg-secondary" role="progressbar" style="width: 25%" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100"></div> </div>
<div class="progress"> <div class="progress-bar bg-success" role="progressbar" style="width: 38%" aria-valuenow="28" aria-valuemin="0" aria-valuemax="100"></div> </div>
<div class="progress"> <div class="progress-bar bg-info" role="progressbar" style="width: 50%" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100"></div> </div>
<div class="progress"> <div class="progress-bar bg-warning" role="progressbar" style="width: 62%" aria-valuenow="62" aria-valuemin="0" aria-valuemax="100"></div> </div>
<div class="progress"> <div class="progress-bar bg-danger" role="progressbar" style="width: 75%" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100"></div> </div>
<div class="progress"> <div class="progress-bar bg-light" role="progressbar" style="width: 88%" aria-valuenow="88" aria-valuemin="0" aria-valuemax="100"></div> </div>
<div class="progress"> <div class="progress-bar bg-dark" role="progressbar" style="width: 100%" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100"></div> </div>

Preview