Dark Design Patterns. You are undoubtedly familiar with the nuisance they cause, even if you're not also familiar with the term by which they are known. No, this is not a design topic that has any relevance to the colour wheel. Well, not in the way you'd think.
When a company (either accidentally or deliberately) makes a certain action very difficult to accomplish (one that has a negative effect on the company), chances are it falls under the category of Dark Patterns. Have you ever tried to Unsubscribe from something but found it incredibly difficult to find the Unsubscribe button? Dark Pattern. Have you ever tried to contact a company through their website but every links that includes the word "contact" points to...