You probably don’t need Lightroom’s Clarity slider
Lightroom’s Clarity slider is one of those controls that seems almost designed to tempt photographers into pushing it too far. A little can add useful definition. Too much and photographs quickly acquire that crunchy, over-processed look that was fashionable a decade ago.I’ve used Lightroom for years, from the beginning, and Clarity is one of the controls I now use much more cautiously than I once did.
What Clarity actually does
Clarity increases midtone contrast. In simple terms, it makes edges and textures within the image appear more defined without affecting the overall (or “global”) contrast in quite the same way as the Contrast slider. That can be useful. A landscape can benefit from a small increase, particularly when there is interesting rock, foliage or architectural

