scale?

is there ay way to highlight a scale on the piano in the key editor?
i know you can inserts a transformer as midi plugin but this alters notes automatically i just want a highlighted guide. at the moment i paint in notes and grey them out as a guide.

Manual:
https://steinberg.help/cubase_pro_artist/v9/en/cubase_nuendo/topics/midi_editors/midi_editors_note_events_coloring_r.html