Message: Some of the selected named colors are in use in your document
Cause
You have attempted to delete named colors from the document which are being used.
What Can I Do?
 Clicking 
 Delete Unused deletes all the 
 colors you have selected apart from those currently in use.
 Clicking 
 Delete Unused deletes all the 
 colors you have selected apart from those currently in use.
 If you click Delete 
 All, all the colors you have selected will be deleted, including 
 the ones being used. The objects which are using these colors will have 
 local colors 
 applied to them. The appearance of the document does not change.
 If you click Delete 
 All, all the colors you have selected will be deleted, including 
 the ones being used. The objects which are using these colors will have 
 local colors 
 applied to them. The appearance of the document does not change.