On this page… Can I view the RGB values? Can I view the RGB values using a 0-255 scale? Can I display L*a*b* values instead of RGB? We introduced the Histogram (link), but there’s a few extra tricks. As you hover over the Exposure, Highlights, Shadows, Whites or Blacks slider in the Basic panel, the… Click to continue
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Premium Classic > Develop Editing Tools > Histogram & RGB Values