You can color the ellipse by specifying a color value in the ellipse statement. For example:

 

red ellipse major 50 minor 40

 

draws the perimeter of the ellipse in red.

 

If solid is specified, ESL fills the ellipse with the requested color or with the default color, if none is specified. For example, the statement:

 

solid red ellipse major 50 minor 40

 

draws an ellipse and fills it with red.