Package coloring: define missing colors by their names Copyright (C) 2016 Zou Hu Please report bugs, problems, and suggestions via https://github.com/zohooo/coloring The package may be distributed and/or modified under the conditions of the LaTeX Project Public License, either version 1.3 of this license or (at your option) any later version. The latest version of this license is in http://www.latex-project.org/lppl.txt