Dominant color

This module calculates the dominant color of the image. The setup when using this module is as follows:
– There will be a vocabulary holding colors that you need to predefine.
– there will be at least one content type holding an image field and a reference to the color taxonomy.

INSTALL:
– Install https://www.drupal.org/project/registry_autoload module.
– Install this module as usual.


Source: https://drupal.org/project/project_module/feed/all