### 2.7. Select By Color

The Select by Color tool is designed to select areas of an image based on color similarity. It works a lot like the Fuzzy Select tool. The main difference between them is that the Fuzzy Select tool selects contiguous regions, with all parts connected to the starting point by paths containing no large gaps; while the Select by Color tool selects all pixels that are sufficiently similar in color to the pixel you click on, regardless of where they are located.

#### 2.7.1. Activating the Tool

There are different possibilities to activate the tool:

- From the main menu: Tools → Selection Tools → By Color Select.

- By clicking the tool icon in the Toolbox.

- By pressing the Shift+O keyboard shortcut.

#### 2.7.2. Key modifiers

The select by color tool does not have any special key modifiers, only the ones that affect all selection tools in the same way. See Selection Tools for help with these.

#### 2.7.3. Tool handling

Obrázok 14.23. Using Select by Color tool: selected pixels are not only contiguous

As with the Fuzzy Select tool, the selection starts as soon as you click and the reference is the first clicked pixel. If you click and drag, you can change the threshold by the same way as with the Fuzzy Select tool.

You can move the selection outline with the arrow keys, not with the mouse.

#### 2.7.4. Options

Obrázok 14.24. Tool Options Dialog

Normally, tool options are displayed in a window attached under the Toolbox as soon as you activate a tool. If they are not, you can access them from the main menu through Windows → Dockable Windows → Tool Options which opens the option window of the selected tool. The available tool options can also be accessed by double clicking the corresponding tool icon in the Toolbox.

Mode, Antialiasing, Feather edges

  | Poznámka
  See Selection Tools Options for help with options that are common to all these tools. Only options that are specific to this tool are explained here.

Select transparent areas, Sample merged, Threshold, Select by, Draw mask

  These options work exactly the same way they are described for the Fuzzy Select tool. See Oddiel 2.6.4, “Options” for details.

2.6. Fuzzy Selection (Magic wand) |  | 2.8. Scissors Select

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