List explanations of color codes in map?

Color coding is a way to convey information quickly, which facilitates visual search. In this Washington D.C. metro map, as with most schematic subway maps, color coded lines represent the different rail lines. Visual searching occurs when we actively scan the environment to locate a specific feature among many distractors.

Explanation:

it will or they will call your parents and you get is not in your me i know the feeling kinda dumb > .>