Convert to Gray

2e32 Shades of Gray.

Convert to Gray (Mean) This will convert a color image into a gray scale image by computing the mean values of the red, green and blue values for each pixel.

Convert to Gray (Luminance) This will convert a color image into a gray scale image by creating converting the RGB image into an HSL image and then extracting the L (luminance) channel.

Smart Decolor This is a very advanced function that converts a color image into a gray scale image while preserving the image contrast. This can produce visually appealing black and white images. Also, it can help when printing a color image with a monochrome printer.