Tool is related to Eye. Eye is related to Captain. Captain is related to Cool. Cool is a different concept from Warm. 
Colorful is similar to Brilliant. Brilliant is a synonym of Striking. Striking is related to Protest. 
Tool <--RelatedTo--> Eye <--RelatedTo--> Captain <--RelatedTo--> Cool <--DistinctFrom--> Warm 
Colorful <--SimilarTo--> Brilliant <--Synonym--> Striking <--RelatedTo--> Protest 