### 8.55. Colorize

The Colorize filter renders the active layer or selection into a grayscale image seen through a colored glass. You can use it to give a “Sepia” effect to your image. See Color model for Hue, Saturation, Luminosity.

#### 8.55.1. Activating the Filter

This filter is found in the main menu under Colors → Colorize….

#### 8.55.2. Options

Figure 16.223. Colorize filter dialog

Presets, Blending Options, Preview, Merge filter, Split view

  | Note
  These options are described in Section 8.1.2, “Colors Common Features”.

Hue

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

Saturation

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

Lightness

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

Colour

  Using the color button or the color picker you can quickly select the color used to colorize your image. Selecting a color here will adjust the sliders above it.

8.54. Threshold |  | 8.56. Posterize

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