how to add customized bootstrap color code example

Example: 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 */