3.5. Two Colors Exchange


This filter is found in Image>Filters/Colors/Map/Color Exchange

This filter replaces a color with another one.



In this preview, a part of the Image is displayed. A selection smaller than preview will be complete in preview. A bigger one will be cut out to be adapted to the preview.

If you click inside preview, clicked pixel color will be selected and will appear as From Color.

From color

In this section, you can choose the color to be used to select pixels that will be concerned by color exchange.

Three sliders for RVB colors: If you clicked on preview, they will be automatically positionned. But you can change them. Each slider acts on color intensity. Input boxes and arrowheads work the same. Result is interactively displayed in From swatch box.

Three sliders for thresholds, for each color. The higher the threshold, the more pixels will be concerned. Result is interactively displayed in Preview.

Lock Thesholds: This option locks threshold sliders which will act all the same.

To color

Three cursors allow to select the color that pixels will have. Result is displayed in swatch box and in preview.