Assign the librefs and set the graphics environment. COLORS= specifies the colors list, which is used by the default patterns and outlines. CTEXT= specifies the color for all text on the output. 
libname reflib 'SAS-data-library';
libname maps 'SAS-data-library';
goptions reset=global gunit=pct border cback=white
         colors=(blue green lime lipk cyan red)
         ctext=black ftext=swiss htitle=6 htext=3;