The Color Picker Tool is used to find colors on the active layer or image. By clicking a point on an image or layer, you can change the active color to that which is located under the pointer. Using the Sample Merge option will allow you to select colors which are formed by layers with less than full opacity or layers which are using layer modes.
The Color Picker Tool can be called in the following order, from the image-menu:
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The Tool can also be called by clicking the tool icon:
The available tool options for the Color Picker can be accessed by double clicking the Color Picker tool icon.
The Sample Merged checkbox when enabled will take color information as a composite from all the visible layers. Further information regarding Sample Merge is available in the glossary entry, Sample Merge.
The Radius slider adjusts the size of the square area that is used to determine an average color for the final selection. When you click the layer, the cursor will indicate the size of the square or radius visually.
The color of the selected pixel will be shown in an Information Dialog, but not otherwise used.
The Foreground color, as shown in the Toolbox Color Area, will be set to the color of the pixel you click on.
The Background color, as shown in the Toolbox Color Area, will be set to the color of the pixel you click on.