By converting this image to black and white in Lightroom I could darken his blue robe and lighten the orange sand and his face. Otherwise in a pure desaturation they'd be the same tone.
{"Image Orientation": "Horizontal (normal)", "Image Copyright": "Morocco-2016-2257.RAF: Darlene Hildebrandt\nMorocco-2016-2257.RAF: Darlene Hildebrandt"}