By default, the platform does not have this option. You can use the following CSS code to change the color of the Profile Dropdown menu font.
Please follow the steps below:
1. Go to BuddyBoss > Theme Options
2. Under Custom Codes, enable CSS
3. Append the following:
.user-wrap.menu-item-has-children .sub-menu a { color: #colorcode; }
4. Save changes.