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Working with Color

This chapter explains how to use Nuke’s color correction nodes to adjust the appearance of the images in your composites.

Introduction

In this chapter, you’ll learn how to:

Use Nuke’s scopes and Pixel Analyzer.

Make tonal adjustments.

Make basic contrast, gain, gamma, and offset adjustments.

Make hue, saturation, and value adjustments.

Apply masks to color corrections.

Convert elements into non-native color spaces.

Apply grain.

These topics provide a good overview of Nuke’s scopes and color-correction nodes; however not all options are covered here. Look to Nuke’s online help for instructions on using the other nodes found under the Color icon in the Toolbar.

 

Using Scopes

Histogram

Waveform

Vectorscopes

Using the Pixel Analyzer

Analyzing Pixel Selections

Analyzing Full Frames

Applying Analysis Data

Making Tonal Adjustments

Sampling White and Black Points

Making Basic Corrections

Using ColorCorrect Sliders

Using ColorLookup Curves

Making Hue, Saturation, and Value Adjustments

Correcting HSV

Correcting Hue Only

Correcting Saturation Only

Masking Color Corrections

Applying Grain

Using Synthetic Grain

Using Practical Grain

Applying Mathematical Operations to Channels

Clamping Channel Values

Offsetting Channel Values

Inverting Channel Values

Multiplying Channel Values

Applying Expressions to Channel Values

Transforming the Color Space

Overriding the Default Cineon Conversion

Making Other Colorspace Conversions

Changing the Viewer Color Space