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How to Make an Image Black and White in Photoshop & Lightroom

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There are many reasons for converting coloured images to black and white. Monochrome photos highlight lines, light, and shapes. Colour can sometimes be distracting or dull. Also, we see the world in colour. A photo in black and white is a welcome change. It draws our attention to different aspects of our everyday world. In many ways, monochrome simplifies the image by removing the colour. And some photographers find monochrome photos more artistic.

There’s no formula for deciding which photos work better in monochrome or colour. However, removing colour is easy. I’ll show you how to convert an image to black and white in Lightroom and Photoshop. In both programs, there is a simple method and one that gives more artistic flexibility.

Black and white photo Tuscan field
These Tuscan fields looked insignificant with flat colours in the blazing summer. Converting it to black and white pulls the focus to the composition and not the boring colour.

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How to Convert an Image to Black and White in Lightroom

Simple Black and White Conversion

Lightroom makes it easy to remove colour from a photo. Go to the Settings drop-down menu and select Settings > Convert to Black and White (hotkey “V”). You can also do this in the Develop Module by choosing the Black & White treatment option in the Basic panel. This will switch your photo’s Profile to Adobe Monochrome.

Lightroom screenshot basic panel
Screenshot of Lightroom’s Basic panel showing Black & White treatment option.

Selecting this option will quickly change any picture into black and white. Let’s look at a photo where colour is not as important as the composition. This photo is about a line extending out into the water and the light from the rising sun. Converting the image to black and white emphasises these elements.

Long exposure photograph of barrier stretching into water at sunrise monochrome

Many photographers stop with this simple black and white conversion. But Lightroom has more to offer.

Colour Adjustment in Black and White

After you convert your image to monochrome, the HSL/Color panel becomes the B&W panel. Lightroom still recognises the colours in your photo even though you cannot see them. In this panel, there are eight colour channels with sliders. By default, the sliders are at zero. You can selectively lighten and darken the colours in your image. This adds richness and visual separation to your photo. You can emphasise and deemphasise certain colours.

Screenshot Lightroom B&W panel
Screenshot of Lightroom’s B&W panel.

Be cautious when using sliders. Pushing sliders to the extreme ends might create a halo (a light around the subject). Or colour gradations pixelate and become uneven.

In this image of a local garden centre, there is almost too much colour. It isn’t easy to make sense of the scene. The bright colours pull your eyes all over the frame.

Color photograph flowers in garden center
The original coloured image of a bench at a local garden centre.

Converting the image to black and white simplifies the scene, but the colours are equally weighted. Most show up in shades of grey. For instance, there is little distinction between the green plants and the red bench.

Monochrome photo flowers in garden center
Image converted to black and white.

Using the B&W panel, you can adjust colour exposure. In this image, I brightened the reds and darkened the greens. There is now a visual distinction between the bench and the leaves. I also darkened the blues, which darkened many elements in the background. This made the red bench lighter in comparison.

Screenshot Lightroom B&W panel
Screenshot of Lightroom’s B&W panel showing colour adjustments. Reds and oranges are lightened and blues and greens darkened.

 

Monochrome photo flowers garden center
Image converted to black and white showing colour adjustments. Reds and oranges are lightened and blues and greens darkened.

I had to be a bit careful with the flowers in the foreground. A halo appeared when I pushed the purple and magenta sliders too far to the left. In this comparison, I darkened the purples and magentas to -50. Notice that the front flowers on the right side now have a white border or halo.

Two photos comparing flowers with halo
Two images comparing purple and magenta settings. Notice the halos created by moving sliders to the extreme (right image).

Lightroom includes a simple black and white conversion tool. The program also allows you to adjust each colour channel individually. Photoshop has similar tools for black and white conversion.

How to Convert an Image to Black and White in Photoshop

Photoshop has a couple of simple black and white conversion tools.

Desaturate Image

Desaturation is the simplest way to convert your images to black and white in Photoshop. This method is quick, but it is destructive. It changes your original file. It’s always a good idea to work on a copy of your image in case you make a mistake or want to try something different. There are a few ways to do this:

  • Right-click on the background layer and select Duplicate Layer.
  • Drag your background layer to the + sign in the Layers panel.
  • Use the keyboard shortcut Ctrl or ⌘J.

To convert your layer to black and white, go to the Image drop-down menu. Select Image > Adjustments > Desaturate (Shift-Ctrl or ⌘U). Photoshop quickly strips your image of colour.

Screenshot Photoshop desaturate
Screenshot showing how to desaturate an image in Photoshop.

In the desaturated image, the yellows and reds of the peppers are very similar in tone.  You might not realize that there were two colours of peppers in the bushel.

Compare photos of peppers color and desaturated
Comparison between the original colour image and the result of the Photoshop desaturation tool.

Grayscale Mode

Another way to remove the colour from your photos is by creating a grayscale image.

  • Go to the Image drop-down menu.
  • Select Image >  Mode > Grayscale.

I find that this method retains more tonal range than the Desaturate tool, but it is also destructive. All colour information is lost.

Peppers grayscale

Converting your images to grayscale or using the Desaturate command are both easy. But these tools don’t allow you to control the monochrome conversion. Photoshop has another tool for that.

Black and White Adjustment Layer

Adding a Black and White adjustment layer is a non-destructive way to convert your photo to monochrome.

  • Go to the Layer drop-down menu.
  • Select Layer > New Adjustment Layer > Black and White.
Screenshot Photoshop adjustment layer
Screenshot showing how to add a Black & White adjustment layer in Photoshop.

Photoshop does a basic monochromatic conversion. From there, you can selectively adjust each colour channel in the Properties panel. For instance, I can lighten the yellows and darken the reds. Or I can reverse this and make the red pepper light and the yellow peppers dark.

Peppers grayscale
Image created using a Black & White adjustment layer with reds at -35 and yellows at +125.
Peppers grayscale
Image created using a Black & White adjustment layer with reds at +200 and yellows at -3.

The way you adjust the individual sliders makes a big difference to your final image.

Notice that the Black & White adjustment layer has a mask. Paint black on this mask, and the colour reappears. This is an easy way of making partial black and white images. Depending on the area over which you use the mask, you can convert the background to black and white using Photoshop.

Peppers partial black and white
Image created using a Black & White adjustment layer with a mask painted over two red peppers.

Summary

Converting your images to black and white can be a simple click in both Lightroom and Photoshop.

For a simple conversion, use the Desaturate command in Photoshop or select the Convert to Black and White tool in Lightroom. For a more artistic control, add a Black & White adjustment layer in Photoshop or the B&W panel in Lightroom.

New to Lightroom and loving it? Check out our Collection of Lightroom Presets for jaw-dropping edits that are quick and easy!

Want More? Try Our Lightroom Processing Course

Do you know how to use Lightroom to bring out the details hidden inside your images?

Lightroom is a great program, but with countless sliders and tools… it’s hard to know how (and when) to use each of them.

That’s why we’ve created the most complete and up-to-date training on Lightroom.

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