we have implemented customer dashboard using eye-catching color, so the store can use for existing theme. But still, anyone wants to change customer dashboard layout, please follow steps.  

Step 1: Please open flits admin.

Step 2: Go to settings section through left side navigation bar and Select "Dashboard layout" option.

Step 3: Here you can view "Dashboard layout settings" page.

Step 4: You can change each color combination through given options. 

Step 6: Go ahaead.