1、blue：You get a chance like this only once in a blue moon；
2、green ：Do you see any green in my eye；
3、pink：All the family is in the pink；
4、white：Though I believe in telling the truth, I think a white lie is sometimes justified；
5、black：He insisted on putting the agreement down in black and white；
6、red：You said that l am very good. ls my face red。