With White Label Branding for WordPress you can do exactly this. Take full control over the branding in wp-admin and decide who has access to what features.
With the latest version of White Label Branding you have the ultimate tool for customizing WordPress admin and your login screen.
We have added a powerful Role and Capability Manger, which will allow you to create new user Roles and assign Capabilities.
Version 18.104.22.168872 – August 20, 2015
New Feature: Custom CSS field in the branding section
Update: Depreciated the old Color Schemer. For styling download the free Visual CSS Editor. This was first announced when we introduced the Visual CSS Editor in version 4.0.
Compatibility Fix: Avoid third party plugin causing PHP warning