IDIOMS WITH COLOURS

Green with envy. (envious)
Example: She passed the exam but I didn´t. I´m green with envy.

In the red. (broken)
Example: I´ve run out of money. I´m going to be in the red all this month.

Scream blue murder. (angrily)
Example: She flew into a rage and screamed blue murder at him.

Purple prose. (difficult writing)
Example: I enjoyed her new book despite the purple prose.