How to Light up a Photo in Lightroom or Adobe Camera RAW

Colin Smith

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How to add Light to a Photograph

In this tutorial, I’ll show you how to add lights, rim lights, flood lights and warm sunlight to a photo using Lightroom. If you don’t use Lightroom, this works identical in Photoshop Camera Raw. The develop module in Lightroom shares the same tools as Camera Raw.

There are 4 steps to this tutorial, in each we will be using different masking tools in Lightroom and camera raw. By the time you finish this tutorial, you will have a better understanding of how all the masking tools work together. This tutorial idea came about as I am working on a comprehensive course on Adobe Camera RAW. 

Part 1. Adjusting the background

Adjusting Background title card over a woman in a fringed jacket sitting on wooden porch steps

If you look at this image, the background is a lot brighter and warmer than the foreground.

Woman on weathered porch steps with arrows marking the bright and shaded areas

The first step is to push the highlights to the left, this will darken down the bright area

Push the Shadows to the right to brighten the dark areas.

Porch photo in the Lightroom Develop module with Shadows raised

Now we want to even out the color.

Click on Mask and Background

Background highlighted under Add New Mask in Lightroom

Everything except our subject is selected. We want to use different settings on our model.

I also want to exclude the sunlit areas from the selection

Red overlay covering the background behind the woman

Click on Subtract>Brush

Subtract from Mask with Brush chosen in the Masks panel

As we paint with the brush we can remove areas from our mask. Watch the video above to see this in action and how I got a perfect edge on the posts

Background mask with the sunlit areas brushed out

To even out the lighting, move the temperature slider to the right to match the background better.

Also move the texture slider to the right to enhance the texture in the wood. (This is why we didn’t include the model in this selection, you pretty much never want to add texture to skin).

Background mask with Texture raised on the weathered porch boards

Let’ Adjust the basic settings on the model

Adjusting Model title card over the woman on the porch

Click the + Create New Mask

Choose select subject

Select Subject chosen from the Create New Mask menu

Our model is selected

Woman covered by a red subject mask on the porch

Increase the Temp to warm up her skin tones

Subject mask Color panel with Temp raised to 30 to warm skin tones

Play with exposure and reduce contrast a little bit.

Woman's exposure and contrast adjusted in the subject mask

Time to add the RIM light in Lightroom

We are also going to step away from working with global light (across large areas). We will add local light (selected areas).

Adding Lighting title card with the woman outlined in yellow

You are going to learn how to use intersect to make quick and easy rim lights.

Intersect will only apply adjustments to where 2 tools or masks overlap.

Intersect diagram of two overlapping circles

Hold down Alt/Option in Lightroom (Shift in Camera RAW) to turn the Add and subtract buttons into an intersect button.

Intersect button highlighted under Subject 1 in Mask 3

Choose Brush

Intersect Mask with Brush chosen from the mask menu

When you start to paint with the brush you will see that only the overlapping areas will receive a mask. This is nice because you don’t have to worry about going over the edges of the model

I turned the exposure up on the settings, this will lighten the areas we are painting.

Brush painting light along the edge of the woman's fringed jacket

In my mind, the light source is coming from our right (Camera Right) and parallel or slightly behind our model. This where I would position a light if I were going for this effect.
I also would put a reflector to the left and behind the model, to bounce some light to get a bit of a rim on the camera left side.

With the lighting direction in mind, paint around the rim and surfaces like her arm that would be facing the light source.

Warm rim light painted along the woman's arm and hair

I’m also adding some light on her face. Be careful to add most of the light to camera right, and not too much on the left (where you see my cursor in the image), which would be in a bit of shadow.

Brush adding light to the woman's face

Let’s cast a beam of light.

Background Lighting title card over the porch scene

If I had a light source on the right, it would cast a beam of light, let’s add it now.

Choose mask + Objects. We will use the amazing object selection.

Objects chosen from the Create New Mask menu

Paint over the area you want to select.

Red brush strokes roughly covering the porch post and deck

The adobe magic will automagically make a mask over the area that you want to select.

Objects mask fitted to the porch post and decking in red

If you want to add to the selection, choose Add>Objects on the mask

Add to Mask with Objects chosen in the Masks panel

Painting a little bit on the left. We want to let a little light spill behind the model to the left.

Objects mask extended across the porch on both sides of the woman

Choose Intersect>Brush (like we did before)

Intersect Mask with Brush chosen for Mask 4

Paint onto the deck to the right of the model. Let a little light come behind her and to the right (Looking at it now, I probably made that bit of light too strong. Just as well this is just a tutorial and not a masterpiece).

Also be sure to hit the right side of the columns with a little light too.

Beam of warm light painted across the porch behind the woman

And thats how you can relight a scene in Lightroom or camera RAW

Here is before

Before: woman on the porch in flat afternoon light

and after (I removed the light behind the model left).

After: woman on the porch with warm rim light and a light beam across the deck

If you are interested in Learning Lightroom Classic, I mean, REALLY Learn Lightroom Classic check out my best-selling course Lightroom Classic 2023 For Digital Photographers. 

I hope you enjoyed this tutorial.

Let me know if you are interested in More Lightroom or Camera Raw tutorials.

Thanks

Colin


Follow along for more tips

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26 comments

  1. Richard Freeman

    Yes, continue to provide selected photo corrections. Love It, Richard Freeman

  2. It’s been a while, your tutorials are always very clear, concise, and useful. Thank you.

  3. Richard Bourdeau

    Love this one. Totally a technique I have never explored. Thank you again and yes I would be interested in an ACR course.

  4. Jack Sofield

    Since APR is one of the primary apps for photo processing it would be greatly appreciated if you would do your magic (your clear explanations) with it. With so many new functions in APR a new course is mandatory.

  5. Ann Bricker

    Learned a bunch, kind of new to using LR even though I’ve been around a while. Mostly learning PS, now LR is looking like something I’d like to learn more about. And you ae so easy to understand.

  6. scousetrooper

    Always happy to see these type of tutorials as well as photoshop, most of us who create compositions are also photographers so using LR and PS is our day to day, and having this type of expertise just adds strings to our bow. More indeed Colin. Thank you.

  7. Linda Perdue

    Great information – thank you for the easy to understand and see how each of these types of masking in LR (or RAW) work. I am interested in camera raw, but might be more likely to do some of this in LR.

  8. Rob Glenister

    Hi, I would be very interested in the Camera Raw module that you mentioned. Love the learning that you offer.

  9. Kathy Burton

    Would like more Lightroom tutorials.
    Many Thanks for this tutorial,

    Kathy

  10. Yes interested in new camera raw course. These techniques can shorten time is PS it seems. Great easy to follow video as usual. Thanks!

  11. Easy to follow – like all your other courses. Got the ACR Handbook a while back and would get the updated version as soon as it was released.

  12. Cindy Wilson-Risko

    Colin~ really appreciate your clear and precise approach to instructing ‘how to’ steps and videos! Thank you!!

  13. Thanks again Colin…your lessons are always easy to understand and timely.

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