8.54. Colorize
| 8. The “Colors” Menu |

### 8.54. Colorize

The Colorize tool renders the active layer or selection into a greyscale image seen through a colored glass. You can use it to give a “Sepia” effect to your image. See 色彩模型 for Hue, Saturation, Luminosity.

#### 8.54.1. Activating tool

You can get to the Colorize tool in this way:

- In the image menu through: Colors → Colorize…

#### 8.54.2. Options

图 16.236. Colorize options

Presets

  You can save the color settings of your image by clicking the Save the current settings as named preset button

  The button opens a menu:

  图 16.237. Preset Menu

  which lets you Import Settings from File or Export Settings to File, and gives you access to the Manage Save Settings dialog:

  图 16.238. Manage saved Settings Dialog

Color values

  - Hue: The slider and the numeric input box allow you to select a hue value normalized in the range: 0.0 to 1.0.

  - Saturation: The slider and the numeric input box allows you to select a saturation value normalized in the range: 0.0 to 1.0.

  - Lightness: The slider and the numeric box allow you to select a lightness normalized value in the range: -1.0 (dark) to +1.0 (light).

Preview

  The Preview option enable rendering of all changes immediately on canvas.

Split view

  This option allows to divide the canvas in two, and to observe the before and after of the effect direclty on canvas. The split can be horizontal or vertical: change between the two pressing the Ctrl key. The divide line can be moved, by dragging it with the mouse (mouse pointer changes in a small hand when hovering on the line). Moreover the views can be swapped using the Shift.

8.53. Threshold |  | 8.55. Posterize

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