Here are some common colour idioms and expressions. Are any of these similar in your language?
black idioms
black and white
When something is black and white it is very clear to understand and decide if you think it is good or bad.
'This is a black and white situation. You are either with us or against us.'
a black sheep
To be a black sheep means that you are considered as an embarrassment to the rest of the group.
'When I got my nose pierced I became the black sheep of my family.'
blue idioms
to be feeling blue
To feel a little depressed or sad.
'The bad weather is making me feel a little blue.'
out of the blue
Something which happens out of the blue is a surprise. It means that we were not expecting it to happen.
'I haven't seen them for years and then they call me out of the blue.'
brown idioms
to be browned off
To be browned off means that you are annoyed by something or someone.
'My colleague is really browning me off. He's so lazy.'
green idioms
to be green
Being green means that you have no experience.
'You can tell that he's never worked as a waiter before. He seems green. He doesn't know what he is doing.'
to be green with envy
This simply means that you are very envious
'I was green with envy when I saw my neighbour's new car!'
pink idioms
to be in the pink
We are in the pink when we are in good health or in a perfect condition.
'I've been in the pink since I started going to the gym.'
to be tickled pink
To be tickled pink means that you are very happy about something.
'We were tickled pink to hear that she's having a baby.'
red idioms
to paint the town red
To paint the town red means to go out and have a great time.
'There's nothing better than going out and painting the town red after a hard week at work.'
to see red
We are seeing red when we are very angry about something.
'My father was seeing red when I crashed his car!
white idioms
a white elephant
A white elephant refers to something that is useless and very expensive to keep.
'He pays a lot of money on rent for his restaurant, but he has very few customers. It's a white elephant.'
a white lie
A white lie is a very small lie that we tell so that we do not cause any trouble.
'A told my wife a white lie. I said that her new hairstyle is nice, but I don't really like it.'
yellow idioms
to be yellow
You are yellow when you are too scared to do something. To have no courage.
'Tina was too yellow to go on the roller-coaster!'