Colours-'Pink', 'Brown', 'Grey', 'Yellow', 'Purple' Idioms

In the pink (of condition): in very good health.

Tickle somebody pink/to death: please/entertain somebody very much.

Tickled pink/to death: be pleased or entertained very much.

Rose pink and salmon pink are variations of the color pink.

Be in brown study: be in deep thought.

Do something up brown: to do something just right.

 

Get grey hair: get a big send-off, to have one’s hair turn grey from stress or frustration.

Give somebody grey hair: cause somebody great stress and frustration.

Grey area: an area of a subject that is difficult to put into a particular category, as it is not clearly defined.

Grey beard: old man.

Grey headed: old, of long service.

Yellow fever: tropical disease, causing the skin to turn yellow.

Yellow press: gutter press

Yellow bellied: coward

Show the yellow card.

Become/go/be purple with rage: be/become very angry.

Born in the purple: member of a royal family.

Colours-'Green' Idioms

Be a green eyed monster: be very jealous.

Get/give somebody the green light: get/give the go-ahead, receive a signal to start or continue.

Green/pale around the gills: looking sick.

 

Be green with envy: be very jealous.

Have a green thumb/fingers: have the ability to grow plants easily.

The green belt: wide strip of land around a city, where building is controlled so that there are fields, woods etc.

(Not) be as green as one is cabbage looking: (not) be as experienced as one seems.

Green Christmas: Christmas season when the weather is mild and there is no snow.

Green horn: inexperienced and easily deceived person.

Green room: room in a theater for actors/actresses, when they are not on stage.

Green stuff: vegetables.

Green sward: turf, grass

The village green: a village’s square.

Going green: making an effort to be environmentally conscious, sustainable, and knowledgable. 

The grass is greener on the other side of the fence/hill.

Colours-'White' Idioms

White elephant: something that is useless and which is either a nuisance or is expensive to keep up.

Be as white as a sheet: be very pale.

Be as white as the driven snow: be very white.

(Put) in black and white :put in written form.

White caps/horses: waves at sea with white foam on their crests.

White collar: non-manual labour.

White lie: unimportant and harmless lie.

White coffee: coffee with milk.

White flag: symbol of surrender.

White heat: intense passion.

White lipped: having white lips, especially of fear.

White livered: cowardly.

White meat: poultry, pork and veal.

Bleed white: drain of wealth, strength (also: bleed somebody white).

White slave: a girl who is forced to be a prostitute, especially one who is tricked into going to a foreign country by promises of employment.

Show the white feather: be very afraid of somebody.

White Hall: Street in London where are the government offices, hence British government policy.

White sepulcher: hypocrite.

White frost: hoar frost.

White wash: lime or embellishment.