---
title: "How to Use a Qualifier and Power Window in Grading (Video)"
description: "Secondary colour correction on a landscape: add a secondary layer, key the sky with a qualifier, check the selection in Highlight view, limit it with a soft…"
url: https://colorgrade.video/videos/how-to-use-a-qualifier-and-power-window
---

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3. How to Use a Qualifier and Power Window in Grading

# How to Use a Qualifier and Power Window in Grading

* Duration:  0:44
* Published: November 5, 2026
* English captions

Your browser can't play this video. [Download the MP4](https://colorgrade.video/media/videos/how-to-use-a-qualifier-and-power-window/video.mp4); the full transcript is below.

Secondary colour correction on a landscape: add a secondary layer, key the sky with a qualifier, check the selection in Highlight view, limit it with a soft gradient window, then deepen the blue while the land keeps its original colour.

[ Color grading tutorial · chapter 6 Secondary Color Correction: Qualifiers and Power Windows Isolate one colour or one area of the frame with a qualifier or a power window, check the matte, and grade that part alone.  Read the chapter ](https://colorgrade.video/color-grading-tutorial/secondary-color-correction) 

## Key moments

1. [ Add a secondary layer , starts at  0:00 ](#t=0)
2. [ Key the sky , starts at  0:05 ](#t=5)
3. [ Limit with a window , starts at  0:19 ](#t=19)
4. [ Correct and compare , starts at  0:27 ](#t=27)
5. [ Try it yourself , starts at  0:42 ](#t=42)

## Transcript

### Add a secondary layer  0:00

1. [ 0:02 In Pro mode the Secondary panel adds a layer of its own, so the sky fix stays separate from the primary correction. ](#t=2)

### Key the sky  0:05

1. [ 0:05 Use qualifier with the Sky preset selects pixels by hue, saturation and luminance. ](#t=5)
2. [ 0:09 Highlight view shows exactly what is selected: the sky in colour, everything else grey. ](#t=9)
3. [ 0:12 A wider hue range and a little Clean black fill the gaps and remove speckle, so the key holds as the clip plays. ](#t=12)

### Limit with a window  0:19

1. [ 0:19 A soft Gradient window keeps the key above the horizon, so nothing blue lower in the frame is caught. ](#t=19)

### Correct and compare  0:27

1. [ 0:27 Back in the normal view, more saturation and a cooler temperature deepen the sky, and the vectorscope trace reaches further towards blue. ](#t=27)
2. [ 0:35 Split compare: the sky is richer while the trees and hills keep their original colour. ](#t=35)

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