colorlist

 list = colorlist(col) is a function used my ensembler to provide a list of
 colors in the associate color menus of the GUI

 ARGUMENTS
  col    ...    color name. 

 RETURNS
  list   ...   list of color codes or individual color code associated
               with color name col

 NOTES
 - A great guide to optimal colors, options might be implemented in future: 
  http://ksrowell.com/blog-visualizing-data/2012/02/02/optimal-colors-for-graphs/