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5.3. 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 Color model for Hue, Saturation, Luminosity.

5.3.1. Activating tool

You can get to the Colorize tool in two ways :

  • In the the image-menu through: ToolsColor ToolsColorize or ColorsColorize,

  • or by clicking the tool icon: in Toolbox, provided that you have installed color tools in Toolbox. For this, go to Tools Dialog.

5.3.2. Options

Figure 13.127. Colorize options

Colorize options


You can save the color settings of your image by clicking the Add settings to favourites button

The button opens a menu:

Figure 13.128. Preset Menu

Preset Menu

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

Figure 13.129. Manage saved Settings Dialog

Manage saved Settings Dialog

Select Color
  • Hue: The slider and the numeric text box allow you to select a hue in the HSV color circle (0 - 360).

  • Saturation: The slider and the input box allows you to select a saturation: 0 through 100.

  • Lightness : The slider and the text box allow you to select a value: -100 (dark) through 100 (light).


The Preview button makes all changes dynamically so that they can be viewed immediately.

  Published under the terms of the GNU General Public License Design by Interspire