I have found this rehearsal pic for the conversation of Han And Luke while they are going to the Big Sarlacc:
and it looked more natural than the ROTJ Grindhouse 35mm and Despecialized Edition 2.5 (since DeEd re-colourization almost matches a Technicolor Print, we all know that.)
so I adjusted an almost-the-same scene from DeEd 2.5 to match the photo. and slightly improved Luke’s shadow: