| A | B |
| be born with a silver spoon in one's mouth | be born into a rich or privileged family |
| see through rose-colored glasses | view everything in a positive way |
| be in the pink | be healthy |
| be in the red | be in debt; have debts; be in bad shape financially; have more debts than assets |
| be in the black | not be in debt; not have debts; be in good shape financially; have more assets than debts |
| get a black eye | get one's eye bruised from hitting it on, or being hit by, something |
| be in a black mood | be in a very bad, negative mood |
| the black sheep of the family | the different person, especially the bad, dishonest, or disapproved-of member of the family |
| have/put something down in black and white | have something written or clear |
| black and blue | bruised; having temporary marks on the skin from being hurt or injured |
| have blue blood/be a blue blood | be aristocratic or royal; be related to a royal or high society family |
| be/feel blue | be/feel sad |
| the blues | sad songs |
| true blue | loyal; faithful |
| be green (with envy/jealousy)/see green | be envious or jealous of someone |
| a greenhorn | an inexperienced person |
| green | inexperienced; environmentally conscious |
| have a green thumb | have a good skill at gardening or growing plants of any kind |
| The grass is always greener on the other side. | A person is always dissatisfied with what he/she has and wants something else. |
| be yellow | be cowardly; be afraid of someone or something |
| turn red | blush; be embarrassed or ashamed |
| turn white | be scared; be shocked |
| turn blue | have a lack of oxygen; not be breathing |
| turn green | feel ill; feel nauseous; be ready to vomit |