- ret.add_stencil (Lookup::points_to_line_stencil (0.1, (*s)[LEFT].to_points (Y_AXIS)).in_color (255, 255, 0));
- ret.add_stencil (Lookup::points_to_line_stencil (0.1, (*s)[RIGHT].to_points (Y_AXIS)).in_color (0, 255, 255));
+ ret.add_stencil (Lookup::points_to_line_stencil (0.1, (*s)[LEFT].to_points (Y_AXIS)).in_color (1.0, 1.0, 0.0));
+ ret.add_stencil (Lookup::points_to_line_stencil (0.1, (*s)[RIGHT].to_points (Y_AXIS)).in_color (0.0, 1.0, 1.0));