Color is a type of Apologize. Color is related to Frequency. 
Average is related to Standard. Standard is similar to Acceptable. Acceptable is the opposite of Proper. Proper is the opposite of Partial. 
Apologize <--IsA-- Color <--RelatedTo--> Frequency 
Average <--RelatedTo--> Standard <--SimilarTo--> Acceptable <--Antonym--> Proper <--Antonym--> Partial 