Color grading

LUTs, scopes, and detail controls

Import a 3D look, read image levels, and understand measurement limits.

Import a LUT#

The LUT palette accepts 3D .cube files with tables from 2 to 65 points per axis and domain minimum/maximum values. The node applies the LUT after its other adjustments using trilinear interpolation. Set the blend amount or remove it to compare.

Check whether the LUT expects camera log, a specific gamut, or an already normalized SDR image. Applying the wrong transform can crush contrast or distort colors. One-dimensional LUTs, shapers, and a built-in LUT preset browser are not supported.

Choose a scope#

  • Luma waveform: compare brightness across the image width.
  • RGB parade: examine the three channels side by side.
  • RGB waveform overlay: compare channel levels in one display.
  • RGB histogram: inspect the distribution of channel values.
  • Vectorscope: inspect chroma distribution and direction.

Adjust scope brightness and choose IRE, 8-bit, or 10-bit labels. Ten-bit labels are a display scale; they do not change the renderer to 10-bit processing.

Measurement behavior#

Scopes sample the complete composited Viewer at roughly 7 Hz using a 256×144 input. They are practical monitoring tools, not a full-resolution HDR mastering instrument. There are no nits scales, HDR scopes, or multi-scope layout system in this release.

Blur and sharpen#

Detail controls include blur radius, sharpen amount, mix, and midtone detail. These are lightweight spatial adjustments. Temporal noise reduction, per-channel mist/coring, and Resolve-style motion effects are not implemented. Inspect fine texture at the final viewing size to avoid halos or loss of detail.

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