To shine on the face of the art and not the TOP of the art, they should be positioned about 3ft. away from the wall. Probably in line with your other downlights.

Aww, I see. Thank you very much for your suggestion.

• Juno Basics Series™ Retrofit LED Adjustables
• Juno 4RLA Trim LED 4in Round Adjustable Retrofit Downlight

The Wallwash design tool under Photometry & Revit (BIM) for a Juno fixture lets you determine how the fixture will illuminate the wall under parameters you set.

You could mount swing arm lamps form the soffet.