Wild Flower (and some comments on shadows and highlights)
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When I first bring my photos into Lightroom to edit I often find the highlights are on the high side and reduce them significantly. This gives a richer palette of colors and I can then adjust the histogram accordingly (the blacks and white to suit). I often find that working on the shadows offers considerable benefits to the background on a photo like this. Lowering the shadows darkens the background as well as the shadows in the flower and raising them does the opposite. Put another way moody versus sunny. I find a touch darker helps separate the background from the subject.