To change the color of a tab in CometChat, go to:

1. CometChat Administration Panel -> Themes -> Colors

2. Then click on ‘Clone Color’ icon corresponding to any color as per your requirement and enter a name for the new color.

3. Click on ‘Edit Color’ for the newly created color and then change tab_title_background, tab_title_gradient_start and ‘tab_title_gradient_end’ variables to the color of your choice as shown below.