"Desaturate" causes all colors in the active layer to be converted to correspondingly bright shades of gray. It differs from converting the image to grayscale in two respects: first, it only operates on the active layer; second, the colors in the layer continue to be three-component RGB colors, and nothing prevents you from painting the desaturated layer with any colors you please.
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Note |
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Desaturate works only on layers from RGB images; if the image is Grayscale or Indexed, the menu entry will be insensitive. |