Colour Idioms in English February 16, 2012September 30, 2015 falibo Learn 8 Colour Idioms : As black as the Ace of spades, Blue blood, Out of the blue, A gray area, Gray matter, Red herring, Wave a white flag And Green thumb. Related PostsFood IdiomsExpressing Mood in EnglishIdiom : Bite off more than one can chewEducation CollocationsVocabulary related to FaceDifferent meanings of GetLearn Through Pictures : GardenLearn Through Pictures : Musical stylesLearn Through Pictures : GolfIdiom : To go out on a limb