5. Color Tools
| 第 13 章 工具 |

## 5. Color Tools

### 5.1. Overview

图 13.125. The Color tools in the Tools menu

Access to the Color tools through the “classical” Tools menu.

图 13.126. The Color tools in the Colors menu

Access through the Colors menu is easier and faster.

With the Color tools you can manipulate image colors in several ways:

- Modify the color balance: 第 5.2 节 “Color Balance”

- Adjust hue, saturation and lightness levels: 第 5.3 节 “Hue-Saturation”

- Render into a greyscale image seen through a colored glass: 第 5.4 节 “Colorize”

- Adjust brightness and contrast levels: 第 5.5 节 “Brightness-Contrast”

- Transform into a black and white image depending on pixel value: 第 5.6 节 “Threshold”

- Change the intensity range in a channel: 第 5.7 节 “Levels”

- Change color, brightness, contrast or transparency in a sophisticated way: 第 5.8 节 “Curves”

- Reduce the number of colors: 第 5.9 节 “Posterize”

- Convert all colors to corresponding shades of gray: 第 5.10 节 “Desaturate”

4.9. 翻转 |  | 5.2. Color Balance