He was too 'yellow' to stand up and fight.
The bridesmaids were dressed in 'yellow'.
a room decorated in 'yellows' and greens
(..) I tell you, infamous powers are at work. The instant you assign me to a case, the underworld hears about it, and I am set upon. Cato is in hospital. They nearly blew his little yellow skin off. It is amazing that I am still alive. Amazing is not the word. Do I detect something in your voice (..)1975 The Return of the Pink Panther
(..) It was very, very good. But, Cato, your fly is undone. And so, my friend, are you. Yes, my little yellow friend, I knew the chief would have to reconsider. He did not get where he is by ignoring a man's qualifications. He knows that I am unique, (..)1975 The Return of the Pink Panther