Global adjustments affect your entire image. That is fine for white balance, lens corrections, and overall exposure. But real editing power comes from selective adjustments, where you target specific areas of a photo and control them independently. Lightroom’s masking tools let you brighten a face without blowing out the sky, warm skin tones without shifting background colors, sharpen eyes without adding noise to smooth areas, and darken distracting edges without affecting your subject. This guide covers every masking tool in Lightroom, how each one works, and the practical techniques that make selective adjustments look natural.
Why Selective Adjustments Matter
Your eye does not see a photograph the way a camera sensor records it. When you look at a scene, your brain automatically brightens the areas you focus on, suppresses distracting elements, and enhances contrast around your subject. A camera captures everything at the same level of treatment. Selective adjustments let you close that gap, guiding the viewer’s eye exactly where you want it and shaping the mood of specific areas independently.
Consider a portrait shot in open shade. The overall exposure is fine, but the subject’s face is slightly underexposed compared to the bright background. A global exposure increase brightens the face but blows out the background. A selective adjustment brightens only the face, preserving everything else. That is the fundamental value of masking: targeted control.
Selective adjustments in Lightroom are also nondestructive. Every mask and adjustment you create can be modified, reduced, expanded, or deleted at any point. Nothing is baked into the file until you export. This makes experimentation risk-free.
Understanding Masks in Lightroom
A mask is simply a way of telling Lightroom where to apply an adjustment. White areas of the mask receive the full effect. Black areas receive none. Gray areas receive a proportional amount. Every masking tool in Lightroom generates this black-to-white map, just using different methods to create it.
You can overlay the mask visualization on your image (usually shown as a red or green tint) to see exactly what areas are selected. This overlay is essential for precision work. Always check your mask overlay before committing to adjustments, especially with complex selections.
Lightroom lets you create multiple masks on a single image, each with its own set of adjustments. You might have one mask brightening the subject’s face, another darkening the sky, a third adding warmth to the foreground, and a fourth sharpening the eyes. Each operates independently.
Linear Gradient
The linear gradient (formerly called the Graduated Filter) creates a smooth transition from full effect to no effect along a straight line. It mimics the behavior of a graduated neutral density filter that landscape photographers place in front of their lens.
How to Use It
Click the masking icon, select Linear Gradient, then click and drag on your image. The point where you start dragging receives full effect. The point where you stop dragging receives no effect. Everything in between transitions smoothly. The further you drag, the wider and softer the transition zone.
After placing the gradient, adjust any of the available sliders. The most common use is pulling Exposure down to darken a bright sky while keeping the foreground unchanged. But you can adjust anything: temperature, tint, contrast, saturation, sharpness, and more.
Practical Applications
Darkening skies: Drag from the top of the frame downward. Reduce exposure by 0.5 to 1.5 stops. This is the most classic use of linear gradients and solves the problem of skies being brighter than foregrounds in landscape photos.
Brightening foregrounds: Drag from the bottom upward. Increase exposure and perhaps shadows. This draws attention to foreground elements and balances the tonal range between ground and sky.
Adding warmth to one side: Place a horizontal gradient from one side and increase the temperature slider. This can simulate warm directional light or enhance an existing warm-to-cool transition in the scene.
Edge darkening: Place gradients on multiple edges (top, bottom, sides) with slight negative exposure to create a subtle vignette that does not follow the circular pattern of a standard vignette tool. This approach gives you independent control of how much each edge darkens.
Tips for Natural-Looking Gradients
The most common mistake with linear gradients is making the effect too obvious. A sky that suddenly gets darker along a straight line looks artificial, especially when objects like trees or buildings cross the transition zone. Use a wide drag distance to create a soft transition. And use the mask overlay to ensure the gradient does not unnaturally darken objects that should not be affected. If a tree sticks up into your sky gradient, you can subtract from the mask using a brush to exclude the tree.
Radial Gradient
The radial gradient creates an elliptical mask. By default, the adjustment applies outside the ellipse, but you can invert it to apply inside. This makes it incredibly versatile for spotlighting subjects, creating off-center vignettes, and isolating circular or oval areas.
How to Use It
Click and drag to draw an ellipse on your image. Resize and reposition by dragging the handles or the center point. The feather slider controls how gradually the effect transitions from full strength to zero. A high feather value (70-100) creates a soft, natural falloff. A low feather creates a harder, more defined edge.
Practical Applications
Off-center vignette: Place a radial gradient around your subject (which may not be in the center of the frame). Reduce exposure outside the ellipse. This darkens the edges while keeping your subject bright, naturally directing the viewer’s eye.
Light source simulation: Invert the radial gradient so the effect applies inside the ellipse. Increase exposure and warmth to create a soft, warm glow, simulating a window light or lamp that might have been just out of frame.
Eye brightening: Place a small, inverted radial gradient over each eye in a portrait. Increase exposure by 0.2-0.4 stops, increase clarity slightly, and add a touch of white. Subtle adjustments here add life to the eyes without looking retouched. Be careful not to overdo it, as over-brightened eyes look alien and immediately signal heavy editing.
Softening backgrounds: Place a radial gradient around the subject. Outside the ellipse, reduce clarity and sharpness. This simulates a shallower depth of field, separating the subject from a distracting background. It does not replace true optical bokeh, but it is a useful tool when your lens or aperture did not produce enough separation in-camera.
Brush Mask
The brush mask gives you freeform painting control. Where gradients apply effects along geometric patterns, the brush lets you paint exactly where you want the adjustment to go. It is the most precise manual masking tool available.
Brush Controls
Size: The diameter of the brush. Use bracket keys ([ and ]) to resize quickly while painting.
Feather: How soft the edge of the brush is. A high feather (75-100) blends the effect smoothly into untreated areas. A low feather creates a sharper edge, which can be useful for precise selections along defined borders.
Flow: How much effect is applied per stroke. At 100% flow, one stroke applies the full adjustment. At lower flow values, you build up the effect with multiple strokes, giving you more gradual control. Think of it like spray paint: high flow is a solid coat per pass, low flow is a light mist that you layer.
Density: The maximum opacity the brush can reach regardless of how many strokes you make. At 50% density, even ten strokes over the same area will never exceed 50% of the full adjustment. Use density to cap the effect in areas where you want a lighter touch.
Auto Mask: When enabled, the brush tries to detect edges and constrains the mask to areas of similar color and tone. This helps you paint along borders (like the edge of a building against the sky) without spilling over. Auto Mask works well along clear, high-contrast edges. It struggles where colors are similar across the boundary.
Practical Applications
Dodging and burning: The brush is the primary tool for local dodging (brightening) and burning (darkening) in Lightroom. Create one mask with positive exposure for dodging, another with negative exposure for burning. Paint strategically to add dimension: brighten the parts of the subject that naturally catch light, darken the areas that naturally fall into shadow. This is the same technique darkroom printers used with enlargers, adapted for the digital age.
Skin smoothing: Paint over skin with a brush mask, then reduce clarity and texture. This softens skin imperfections while preserving detail in eyes, hair, and clothing. Keep the mask off the eyes, eyebrows, lips, and hair. The contrast between smooth skin and sharp details is what makes this technique look natural rather than plastic.
Selective sharpening: Paint over the areas you want to sharpen (eyes, eyelashes, hair, key textures) and increase sharpness and clarity. This boosts perceived detail in the areas that matter while keeping smooth areas like sky and skin noise-free.
Iris enhancement: Paint carefully over the iris of each eye. Increase exposure slightly, add clarity, increase saturation or shift the color. This is one of the most impactful portrait editing techniques, but subtlety is essential. The adjustment should enhance what is already there, not create an unnatural glow.
Color Range Mask
The color range mask selects areas based on color. Instead of manually painting or using geometric shapes, you click on a color in your image and Lightroom selects everything matching that color. You then use a range slider to expand or narrow the selection.
How to Use It
First, create a base mask using any tool (gradient, radial, or brush). Then, in the mask settings, select “Intersect Mask With” or add a Color Range refinement. Use the eyedropper to click on the color you want to target. Hold Shift and click additional color samples to expand the range. Adjust the Amount slider to widen or narrow the color selection. You can also use Color Range as a standalone mask type in the masking panel.
Practical Applications
Sky color adjustment: Start with a linear gradient covering the top of the frame, then intersect with a Color Range targeting the blue of the sky. Now only the blue sky is affected, not buildings, trees, or mountains that protrude into the gradient area. You can deepen the blue, add saturation, or darken the sky without affecting anything else.
Selective color enhancement: Target a specific color in the scene and boost its saturation or shift its hue. Red flowers in a green field. A yellow taxi in a gray street scene. A blue door on a white building. Color Range lets you enhance these elements precisely.
Skin tone isolation: Sample the subject’s skin tone and refine the selection. Now you can adjust white balance, exposure, or color grading for the skin alone, without affecting the background or clothing. This is invaluable when the overall color grading shifts skin tones in an unflattering direction.
Luminance Range Mask
Luminance range masking selects areas based on brightness. You define a range on the brightness scale (shadows, midtones, highlights, or any custom range), and the mask targets only pixels that fall within that range.
How to Use It
Like Color Range, Luminance Range can be used standalone or as a refinement on an existing mask. Select Luminance Range in the masking panel, then adjust the range slider. The left end sets the dark boundary, the right end sets the bright boundary. Pixels within that brightness range are selected. A smoothness slider controls how gradually the selection transitions at the boundaries.
Practical Applications
Highlight recovery without affecting shadows: Apply a linear gradient across the sky, then intersect with a Luminance Range targeting only the brightest values. Your exposure reduction affects only the blown highlights, leaving darker sky areas and clouds untouched. This provides far more natural-looking highlight recovery than a global highlights slider.
Shadow lifting with precision: Select the shadow range and increase exposure or shadows. Because only the darkest tones are affected, you open up shadow detail without brightening midtones. This avoids the flat, washed-out look that comes from aggressive global shadow lifting.
Midtone contrast: Target only the midtone range and add clarity or contrast. This builds punch in the mid-brightness values (where most of the visual information lives) without clipping highlights or crushing shadows. It is one of the subtlest and most effective ways to add dimension to a flat image.
Protecting skin tones: When making broad adjustments to an image, intersect with a Luminance Range that excludes the brightness range of the subject’s skin. This lets you aggressively adjust the background without any effect on skin tones.
AI-Powered Masks: Subject and Sky Selection
Lightroom’s AI-powered masking tools analyze the content of your image and automatically generate masks for common targets. These tools represent a significant evolution in how selective adjustments work.
Select Subject
Click “Select Subject” and Lightroom uses machine learning to identify and mask the primary subject in your image. For portraits, it typically selects the person. For wildlife, the animal. For product shots, the product. The AI handles complex edges like hair, fur, and irregular outlines far better than manual brushing.
Once the subject is selected, you can apply any adjustments: brighten the subject, warm the skin tones, increase clarity and sharpness on the subject while leaving the background untouched. You can also invert the selection to adjust everything except the subject, which is useful for darkening or desaturating backgrounds.
Subject selection is not perfect. It can struggle with multiple subjects, subjects that blend into the background, or subjects that are partially hidden. Always check the mask overlay and refine with Add or Subtract brush strokes where the AI missed or overshot.
Select Sky
Select Sky detects and masks the sky in landscape, architecture, and outdoor images. It handles complex skylines including buildings, trees, and mountain ridges. The mask follows the actual boundary of the sky rather than using a straight gradient line, which is a significant advantage over linear gradients for scenes with uneven horizons.
Common sky adjustments include: reducing exposure to deepen the sky, increasing saturation or vibrance for richer blues, adjusting white balance to add warmth or coolness to the sky independently, and reducing haze or adding clarity for definition in clouds.
The key advantage of AI sky selection over a linear gradient is precision around irregular boundaries. A mountain ridgeline, a city skyline, or a canopy of trees all get clean selection borders that would be impossible to achieve with a straight gradient or tedious to paint by hand.
Select People (Advanced)
Beyond full subject selection, Lightroom can detect individual people in a frame and further break down the selection into components: face skin, body skin, hair, clothes, and more. This gives you granular control over portrait editing. Warm just the face skin. Desaturate the clothing. Sharpen only the hair. Each component gets its own mask that you can adjust independently.
When a photo contains multiple people, Lightroom detects each person separately. You can select one person’s face for brightening without affecting anyone else in the frame.
Combining and Refining Masks
The real power of Lightroom’s masking system comes from combining multiple mask types. You can add masks together (union), subtract one from another (exclusion), and intersect them (only the overlapping area). This compound approach lets you build selections that no single tool could achieve alone.
Add (Union)
Adding combines two masks so the adjustment applies to both areas. For example, start with a radial gradient around a subject’s face, then add brush strokes to include the hands that fall outside the radial area. Both the face and hands now share the same adjustment.
Subtract (Exclusion)
Subtracting removes areas from a mask. Start with a Select Sky mask, then subtract a brush stroke where a tree top pokes into the sky that you want to exclude from the sky adjustment. Or place a linear gradient across the top of the frame, then subtract the Subject mask so the gradient darkens the background but leaves the subject unaffected.
Subtraction is especially powerful when combined with AI selections. Select Subject, then subtract a Color Range to exclude a specific colored area from the subject adjustment. The combinations are limited only by what the image requires.
Intersect
Intersecting limits a mask to only the area where two selections overlap. A linear gradient covering the top half of the image intersected with a Luminance Range targeting highlights produces a mask that affects only the bright areas in the top half of the image. This precision is what makes luminance and color range masks so useful as refinements on broader geometric selections.
Practical Example: Complex Landscape Edit
Consider a landscape photo with a bright sky, a mountain range, and a dark foreground. Here is how you might use compound masks:
Mask 1: Select Sky. Reduce exposure by 1 stop, add a touch of saturation, increase clarity. This affects only the sky, following the mountain ridgeline precisely.
Mask 2: Linear gradient from the bottom, covering the foreground. Increase exposure by 0.5 stops, lift shadows, add a slight warm shift. This brightens and warms the foreground.
Mask 3: Brush mask painted over a key foreground rock. Add clarity and texture to emphasize its detail. This makes the focal point of the foreground pop.
Mask 4: Radial gradient around the distant mountain peak. Add a slight warm tint and a touch of exposure to draw the eye toward the peak as a secondary focal point.
Each mask addresses a specific part of the image independently. The result is a photograph where every region is optimized, with natural transitions between adjustments.
Selective Adjustments for Portraits
Portrait editing relies heavily on selective adjustments. Here are the most common portrait masking workflows.
Skin
Use Select Subject or the People detection to mask skin areas. Reduce texture and clarity slightly (negative values like -15 to -30) to smooth skin without making it plastic. Reduce the saturation of any redness. Warm the white balance slightly for healthier skin tones. This handles the global skin correction. Then use a separate brush mask for specific blemishes or uneven areas.
Eyes
Use the People detection or a small brush to mask the irises. Increase exposure by 0.15-0.3 stops. Add clarity (+15 to +25) to enhance the iris detail. Slightly increase saturation to deepen the natural eye color. For the whites of the eyes, create a separate mask with a small exposure increase and slight desaturation to clean up any redness or color cast. Restraint is critical. Over-enhanced eyes are one of the most common editing mistakes.
Background Separation
Select the subject and invert the mask to target the background. Reduce exposure slightly to darken it. Reduce clarity and texture for a softer feel. Shift the color grading to push the background toward complementary or muted tones. This separation technique is especially useful when shooting at narrower apertures where the natural background blur is minimal. It is not a replacement for shooting with a wide aperture and appropriate focal length, but it can enhance the separation that already exists.
Hair Light
Use the People detection hair mask or brush along the highlights in the hair. Add a slight warm shift and increase exposure. This simulates or enhances a rim light or hair light effect, adding dimension and separating the subject from the background along the top edge.
Selective Adjustments for Landscapes
Landscape editing benefits from masking tools that handle large, irregular areas and work with the natural gradients of outdoor light.
Sky and Foreground Balance
The dynamic range between sky and foreground is the central challenge in landscape photography. Use Select Sky to darken and enhance the sky. Use a linear gradient or inverted sky mask to brighten the foreground. The result should look like what your eyes saw on location, not what the camera recorded with its limited dynamic range.
Water
For scenes with water, use a brush mask or Color Range to select the water surface. You can adjust the white balance independently (water often reflects sky color and benefits from a cooler or warmer shift), add clarity for wave detail, or reduce clarity for a smoother look. Reflections in calm water can be enhanced by adding contrast and saturation to the reflected area.
Directing the Eye
Use radial gradients and brush masks to create subtle brightness paths through the landscape. Brighten the areas you want the viewer to look at. Darken the areas you want to recede. This is the landscape equivalent of dodging and burning in the darkroom. The adjustments should be subtle enough that the viewer does not notice them consciously but follows the brightness path naturally.
Working with Multiple Masks Efficiently
Complex edits can involve five, ten, or even more masks on a single image. Managing them effectively is important.
Name your masks. Double-click a mask name in the Masks panel and rename it to something descriptive: “Sky darken,” “Face brighten,” “Background desaturate.” When you come back to an image later, named masks let you understand the edit instantly.
Toggle masks on and off. Use the eye icon next to each mask to quickly see what that mask is contributing. If a mask is not adding value, delete it to simplify the edit.
Duplicate masks. If you need a similar mask with different adjustments, duplicate it and modify the copy. This is faster than recreating a complex selection from scratch.
Use the amount slider. Each mask has an overall amount slider that scales all its adjustments up or down. Instead of tweaking individual sliders, drag the amount to reduce or increase the overall effect of the mask. This is the fastest way to fine-tune a mask’s intensity.
Masking and RAW Files
Selective adjustments work better on RAW files than on JPEGs. RAW files contain more tonal and color information, so when you brighten shadows, recover highlights, or shift colors within a mask, the result is smoother and more natural. With JPEGs, aggressive masked adjustments can reveal banding, noise, and color artifacts in the affected area because there is less data to work with.
If you shoot RAW, you have significantly more latitude with selective adjustments. A shadow that looks completely black in a JPEG may contain recoverable detail in the RAW file. A highlight that appears blown in a JPEG may have color and texture in the RAW data. Masking and RAW processing together give you the widest possible creative range.
Common Mistakes
Making selective adjustments too strong. The best selective adjustments are invisible. If the viewer can see where the mask begins and ends, the effect is too heavy. Reduce the adjustment amount and check at full-screen view (not zoomed in) to see if the edit looks natural at the scale people will actually see it.
Ignoring the mask overlay. Every mask should be checked with the overlay enabled. What you think you painted and what you actually painted are often different. Stray brush strokes, gradient edges that cut through important areas, and color range selections that pick up unintended areas are all problems caught instantly by checking the overlay.
Using only one masking tool. New users tend to find one tool (usually the brush) and use it for everything. A linear gradient takes two seconds to place and feathers perfectly. Painting the same effect with a brush takes minutes and produces uneven results. Choose the right tool for each task. Use gradients for broad areas, radials for spotlighting, brushes for fine detail, and AI tools for subject and sky isolation.
Not refining AI selections. AI-powered masks are impressive but not infallible. Wispy hair, translucent clothing, objects near the subject, and complex backgrounds all challenge the AI. Always refine with add and subtract operations. A few seconds of cleanup produces a much cleaner result than trusting the AI completely.
Creating too many overlapping masks. When masks overlap, their effects stack. If three masks all brighten the same area, that area gets triple the brightening. This causes blown highlights and unnatural tonal jumps. Be deliberate about where your masks overlap and use the mask overlay to verify each one’s coverage.
Neglecting transitions. A mask with a hard edge creates a visible boundary in the image. Unless you are going for a graphic or surreal look, use feathering on brushes, wide transition zones on gradients, and smoothness adjustments on range masks. Natural-looking selective adjustments have soft, invisible transitions.
Try This
These exercises progressively build your masking skills from basic to advanced.
Exercise 1: Sky Gradient. Open a landscape photo with a bright sky. Place a linear gradient from the top, dragging halfway down the frame. Reduce exposure by one stop. Toggle the mask overlay to see the affected area. Adjust the gradient position until the transition looks natural. Then try the same image with Select Sky instead and compare the precision.
Exercise 2: Portrait Eyes. Open a portrait with visible eyes. Use a brush mask at a small size to carefully paint over both irises. Check the overlay. Increase exposure by 0.2 stops, add +20 clarity, and +10 saturation. Toggle the mask on and off to see the before and after. If the effect is noticeable from a normal viewing distance, reduce the amounts until it looks natural.
Exercise 3: Subject Isolation. Open a portrait with a busy background. Use Select Subject. Check the mask overlay for accuracy. Invert the mask so it targets the background. Reduce exposure by 0.5, reduce clarity by -20, and reduce saturation by -15. Toggle the effect to see how background separation improves the image. Refine the mask edges with brush add/subtract where needed.
Exercise 4: Color Range Refinement. Open an image with a blue sky and objects (trees, buildings) protruding into it. Place a linear gradient covering the sky area. Then add a Color Range intersection targeting the blue of the sky. Notice how the trees and buildings are excluded from the mask even though the gradient covers them. Darken the sky and compare this to an unrefined gradient.
Exercise 5: Full Compound Edit. Open any image and create at least four separate masks: one for the brightest area, one for the darkest area, one for the main subject, and one for a specific color in the scene. Adjust each independently. Name each mask. Toggle them on and off individually. See how each layer contributes to the final result. This exercise teaches you to think in layers.
FAQ
Do masks slow down Lightroom?
Each mask adds to the processing burden when Lightroom renders a preview. Simple masks (gradients, radials) have minimal impact. Complex masks (large brushes, AI-generated selections with many refinements) can slow down rendering, especially on older hardware. If performance becomes an issue, work with fewer masks and consider whether some adjustments can be achieved globally instead. Building Smart Previews also helps because Lightroom can process the smaller preview file while editing.
Can I copy masks from one image to another?
Yes. When you use Copy Settings (Ctrl+Shift+C / Cmd+Shift+C), local adjustments including masks are included as a copyable option. However, the mask positions are absolute, meaning a mask placed over a face in one image will appear in the same pixel coordinates on the target image. If the face is in the same position (like a series of portraits on a tripod), the masks transfer perfectly. If the composition changed between frames, you will need to reposition the masks.
What is the difference between Texture and Clarity in masked adjustments?
Both affect perceived detail, but at different scales. Texture targets fine details (skin pores, fabric weave, leaf veins) while preserving overall contrast. Clarity targets medium-scale contrast (edges of objects, facial features, architectural lines) and has a more dramatic effect on the overall look. For skin smoothing, reducing Texture softens pores while keeping the face shape defined. Reducing Clarity softens the face more broadly. Most portrait skin work benefits from reducing both, with Texture doing the primary smoothing and Clarity adding a secondary softness.
Should I do selective adjustments before or after global adjustments?
Always finish your global adjustments first. Set your overall exposure, white balance, contrast, and color before creating masks. When you change global settings after creating masks, the masked adjustments interact with the new global values and may look different than intended. For example, if you brighten the overall exposure after creating a shadow-lifting mask, the combined effect in the shadows may be too strong. Get the global edit right, then layer selective adjustments on top.
How do I fix a mask that selected the wrong area?
Use the mask panel to add or subtract from any existing mask. If an AI selection grabbed part of the background, subtract a brush stroke over the unwanted area. If a gradient overlaps your subject, subtract the Subject selection from the gradient mask. You can also delete a mask entirely and start over. Masks are always editable, so there is no need to accept an imperfect selection.
Bringing It All Together
Masking transforms Lightroom from a global adjustment tool into a precision editing suite. The fundamental concept is simple: select an area, adjust it independently. The skill lies in choosing the right tool for each selection, combining tools for complex targets, and keeping adjustments subtle enough to look natural.
Start with one or two mask types on your next edit. A linear gradient on the sky. A brush mask on the eyes. See how targeted control changes the impact of your images. As you build confidence, layer more masks and experiment with combinations. Before long, you will approach every image thinking in terms of zones and layers rather than a single global adjustment, and your editing will be better for it.
The best part of Lightroom’s masking system is that everything is nondestructive and adjustable. If a mask does not work, delete it. If an adjustment is too strong, pull it back. If you discover a better approach, rebuild. There is no penalty for experimentation, and each attempt teaches you something about how selective adjustments shape the final image. Combined with solid editing fundamentals and a consistent workflow, masking is the tool that elevates good photos into great ones.
Many of these techniques translate directly to phones. See our mobile masking guide for the workflow on small screens, including AI subject and sky masks.