Defining tonal range (the black point, white point, and neutral value) is typically the first step in color correcting a clip. Tonal range adjustments often improve contrast, but more importantly, they set the stage for subsequent color corrections by properly dividing the colorspace into shadow, midtone, and highlight regions.
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| Before tonal adjustment. | After tonal adjustment. |
Several of Nuke’s color correction effects offer tonal adjustment tools. Of these, Grade and Histogram are probably the most intuitive to operate.