Individual skill
scenario-video-color-grade
Use when color grading, color correcting, or relighting an existing video or still with deterministic code instead of a generative model: cinematic looks (teal and orange, film stock, bleach bypass, noir, duotone, faded 70s), golden hour, blue hour or day-for-night, log footage (S-Log3) to Rec.709, matching a reference image's colors, black and white with one kept or swapped color, .cube LUT export, a look comparison grid, or a grading showreel.
skills/scenario-video-color-grade/SKILL.md
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README.mddoc · 2,143 bytesSKILL.mdcore · 11,352 bytesSKILL.mdcore · 11,352 bytesSKILL.mdcore · 11,352 bytesSKILL.mdcore · 11,352 bytesassets/looks_library.jsonasset · 14,373 bytesexamples/looks.jsonasset · 8,587 bytesreferences/keying.mddoc · 5,404 bytesreferences/looks.mddoc · 4,825 bytesreferences/ops.mddoc · 4,295 bytesreferences/relight.mddoc · 3,735 bytesscripts/grade.pyruns · 10,816 bytesscripts/inspect_frame.pyruns · 5,100 bytesscripts/match.pyruns · 2,489 bytesscripts/media.pyruns · 4,561 bytesscripts/render_looks.pyruns · 6,713 bytesscripts/showreel.pyruns · 16,502 bytesscripts/spatial.pyruns · 9,223 bytes
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# Scenario Video Color Grade
## Overview
Every grade here is math the agent writes, measures, and tunes; no generative model touches the
pixels. Per-pixel color operations bake into a 33³ `.cube` LUT that ffmpeg applies. Spatial
operations (relight, keyed or masked selective color) run per frame in numpy before the LUT. Results
are exact, identical on every frame, and editable: the LUTs load in Premiere, After Effects, and
Resolve. Framing, motion, and frame count are kept, so a seamless loop stays seamless.
Scenario supplies two preset LUT tool models and the segmentation masks that make selective color
exact. New footage is out of scope. Connection and the core loop: the `scenario` skill. Running the
LUT tool models on long clips (cost follows the clip, `wait=false`): `scenario-video-editing`. Music
for a reel: `scenario-audio`. If a sibling skill named here is missing from your available skills,