This is part of the #1905 meta...

Describe your issue or idea

This idea has been mentioned in the past by @wesruv while building Basis, and also in an unrelated context in

There are php libraries that could help with this:

Expected behavior (if reporting a bug)

When users visit the settings page of a theme that has color.module support, they are presented with a button to upload their favourite image or their company logo. Once uploaded, we extract a color scheme and apply it to the theme. The user can now preview and tweak.

GitHub Issue #: