The Rob Carr Color to B&W Conversion Technique in GIMP

November 22, 2008 Comments Off on The Rob Carr Color to B&W Conversion Technique in GIMP

Design by Fire • Santorini in black and white (scroll down to the The Rob Carr Color to B&W Conversion Technique).

Sidewalk 2

While I was cleaning out Evernote I came across this method for converting photos to black and white and decided to try applying it using GIMP:

1. Convert to LAB colour: Colors » Components » Decompose… set Color model to LAB

2. Image mode will already be Grayscale

3. Highlight Lightness (L) Layer and switch to Channels tab. Ctrl-Click on thumbnail » Channel to Selection

4. Select » Invert

4. With the selection still active, convert the image to RGB color, using Image » Mode » RGB.

5. GIMP doesn’t have Adjustment Layers so what I did turn off the visibility of the A and B layers Ctrl-Click » [Create New Layer from Visible](http://www.flickr.com/groups/gimpusers/discuss/72157609437810333/)

6. Edit » Fill with a rich, dark colour

7. Adjust the opacity, levels and/or curves as needed

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