For a particular purpose or category, yes. E.g. https://www.shutterstock.com/blog/9-brands-trademarked-color https://www.shutterstock.com/blog/9-brands-tradema

For a particular purpose or category, yes. E.g. https://www.shutterstock.com/blog/9-brands-trademarked-color https://www.shutterstock.com/blog/9-brands-trademarked-color