Answers for "bootstrap default root colors"

bootstrap color variants

/* colors in bootstrap */
color : #007bff; /* primary */
color : #6c757d; /* secondary */
color : #28a745; /* success */
color : #ffc107; /* warning */
color : #dc3545; /* danger */
color : #17a2b8; /* info */
color : #f8f9fa; /* light */
color : #343a40; /* dark */

bootstrap bg colors

<p><a href="#" class="text-primary">Primary link</a></p>
<p><a href="#" class="text-secondary">Secondary link</a></p>
<p><a href="#" class="text-success">Success link</a></p>
<p><a href="#" class="text-danger">Danger link</a></p>
<p><a href="#" class="text-warning">Warning link</a></p>
<p><a href="#" class="text-info">Info link</a></p>
<p><a href="#" class="text-light bg-dark">Light link</a></p>
<p><a href="#" class="text-dark">Dark link</a></p>
<p><a href="#" class="text-muted">Muted link</a></p>
<p><a href="#" class="text-white bg-dark">White link</a></p>