Ensure exact colourspace is picked in "colour.plotting.models.RGB_chromaticity_coordinates_chromaticity_diagram_plot" definition.
@@ -605,7 +605,7 @@ RGB_Chromaticity_Coordinates_Chromaticity_Diagram_Plot.png
colourspace = first_item(filter_RGB_colourspaces(colourspace))
settings['colourspaces'] = (
- [colourspace.name] + settings.get('colourspaces', []))
+ ['^{0}$'.format(colourspace.name)] + settings.get('colourspaces', []))
chromaticity_diagram_callable(**settings)
