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grayscale

ways to convert an image to grayscale

gimp: https://www.gimp.org/tutorials/Color2BW/

imagemagick This will use one of the -intensity methods to convert the given image into a grayscale image. For example, to convert an image to (linear) Rec709Luminance grayscale, type: `` convert in.png -grayscale Rec709Luminance out.png # which is equivalent to: convert in.png -set colorspace RGB -colorspace gray out.png

anaglyph grayscale

https://legacy.imagemagick.org/discourse-server/viewtopic.php?t=23204

computer screen grayscale

Your brain will not be as excited by this lack of color, and you'll find yourself reaching for your phone less.

Android or iPhone: Go into your phone's display settings and change the screen color to grayscale.

Firefox: Grayscale Bro extension