LUT Gallery docs

The Inspector — Grade Controls

When an image is selected, the right-hand Inspector holds the grade pipeline, top to bottom in the order it’s applied, with a divider between each stage:

Image info → Input Transform → RAW Decode (RAW only) → Corrections (White Balance + Base) → LUT.

Inspector — Adjust

How the sliders work

Every parameter is a slider row with three parts:

  • Name + reset — click the parameter name to reset it to its default.
  • Slider — drag to change the value; the number field shows/accepts the exact value.
  • Eye (👁) — momentary bypass — hold the eye to temporarily set that one parameter to its default so you can see what it contributes; release to restore your value. It’s a peek, not a toggle — nothing is changed.

Section headers — reset & bypass

A stage header can carry up to two controls, depending on the stage:

  • Title = reset — hover the header and it reads Reset; click to reset that stage to defaults (it just beeps if it’s already at default). (Input Transform, RAW Decode and Corrections/White Balance/Base all reset this way.)
  • Eye (👁) = bypass — a persistent on/off for the whole stage (distinct from the per-slider momentary eye). Click to switch the stage off and on; the rows dim while it’s bypassed. (The Corrections group, White Balance, Base and the LUT section have a bypass eye; Input Transform and RAW Decode do not.)

tip

See the untouched image: hold the \ key in the viewer to bypass the whole grade (White Balance + Base + LUT) for as long as you hold it — a quick before/after against the source.

Colour palette (before & after)

LUT Gallery pulls a small representative colour palette from the image so you can read its dominant tones at a glance — and see exactly what a look does to them.

  • IMAGE → Palette shows the source colours (before any LUT).
  • LUT → Palette shows the graded colours (after the LUT). It appears only while a LUT is active, so the two strips line up as a clean before → after.
  • A swatch’s width is its share of the frame — the strip is weighted, so the colours that cover the most image are the widest.
  • Hover any swatch for its values: RGB, its share of the image (%), the hex code, and perceptual OkLab L/a/b.

Input Transform

How the source is decoded into the working colour space before anything else happens. Two popups: a mode and a space.

ModeUse it for
Auto (sRGB / embedded)Ordinary stills — a colour-managed decode from the file’s embedded (or sRGB) profile. The default.
Camera / scene-referredLog / camera footage. The space popup lists the camera spaces (ARRI LogC, RED Log3G10, Sony S-Log3, …) or ACES IDTs from your active OCIO config; the image is decoded through OCIO into the working space.
Display-encoded sourceA finished, display-referred image in a known encoding (applies the inverse EOTF).
Inverse ODT (un-tone-map)Recover working-space values from a finished deliverable by reversing an ODT.

note

Scene-linear .exr files default to a linear scene-referred input automatically, so they grade correctly instead of being read as sRGB.

The default new images inherit is set in Settings → Colour; see Colour Management for the pipeline (Display-referred vs ACES) and the output/display transform.

RAW Decode (RAW files only)

How the camera raw is developed before grading. Shown only when the source is a RAW file — flagged with a RAW badge in the IMAGE section header.

ControlWhat it does
BoostOverall strength of the RAW development / detail recovery.
ExposureBrightness applied at the raw stage, in stops.
TemperatureWarm ↔ cool white-balance of the raw decode (Kelvin feel).
TintGreen ↔ magenta white-balance of the raw decode.

Corrections (White Balance + Base)

White Balance and Base live together under a Corrections group. The group header has its own bypass eye — one click toggles both stages off — and a reset that clears both. Each sub-section still has its own eye and reset.

White Balance

Neutralises or shifts colour temperature after decode. Applied in the working colour space, so it behaves consistently across looks.

ControlWhat it does
TemperatureWarm (amber) ↔ cool (blue) shift.
TintGreen ↔ magenta shift.

Above the sliders is a tools row:

  • Mode (Standard / Skin) — what the eyedropper aims for.
  • Eyedropper (in the section header) — click a neutral grey (Standard mode) or skin (Skin mode) area of the image to set white balance from that sample. Skin mode steers hue toward a natural skin tone while keeping a stable temperature.
  • Auto WB — region-based automatic white balance. The dot beside it is a confidence semaphore — green = confident, amber = weak guess, red = scene unusable (and a beep, nothing applied) — that appears on press and fades away.

Base

Per-image tone shaping — the “develop” stage before any creative LUT. (These are deliberately not part of a shareable look; they belong to the shot.)

ControlWhat it does
ExposureOverall brightness in stops.
ContrastExpands/compresses tones around the pivot.
PivotThe tonal point contrast rotates around (set where “mid” is).
HighlightsRecover or lift the brightest tones.
ShadowsLift or deepen the darkest tones.
WhitesThe white clipping point.
BlacksThe black clipping point.
VibranceSmarter saturation — boosts muted colours more than already-saturated ones; gentler on skin.
SaturationUniform colour intensity.

Creative Look / LUT opacity

When a creative LUT is active it appears here with an Opacity slider (with its own reset + eye), letting you blend the look from 0 % (off) to 100 % (full). This is the same standard slider as everything else. The LUT section also shows the graded palette — your image’s colours after the look — to compare against the source palette up in the IMAGE section.

note

Editing is non-destructive and live. Adjustments re-grade the hero image in real time; the film strip thumbnails update too, so a change to exposure or white balance is reflected through every LUT.

LUT controls & analysis

The Inspector has no tabs — sections are shown together and follow context. In Preview, the LUT you’ve applied appears as the Creative Look / LUT section above (its Opacity); in Canvas the LUT controls are the LUT Stack.

In Analysis Mode the Inspector adds the LUT’s analysis cards: LUT Information (LUT type, cube size, and the LUT’s own Description read from its .cube header), Diagnostics, Semantic Tags and Actions.