When you are talking to someone and you want a certain phrase you said to stand out, you emphasis your words. That is pretty much the same case here. A is incorrect because that is capturing a model of some sort, B is incorrect because that would be an equal blend of all colors together, and D is incorrect because you are not uniting the colors, you want the elements to stand out. Emphasis is achieved usually by using mostly dark colors then a splash of something such as neon pink or yellow.
Explanation: Because people from out of town and other assorted non-natives may be perplexed when someone uses the term "Shoot the Hooch." The local lingo for a fun-filled rafting trip down the Chattahoochee River is a surefire fun afternoon activity with friends or family.
