Introduction to Masking in Lightroom Classic

The Masking panel is where all masks are created, organised and refined. Understanding how it works is the foundation for everything else.

• Mask List: Each mask appears as an item you can rename, duplicate or group.
• Components: Masks are built from tools such as Brush, Linear Gradient, Select Subject and more.
• Add / Subtract / Intersect: These options let you build complex, targeted masks.
• Overlays: Colour overlays and preview modes help you see exactly what’s included.

Once you understand the panel, the rest of the masking system becomes much easier to use.

These tools use AI to automatically detect important areas of your photo. They’re fast, accurate and ideal for portraits, landscapes and product photography.

• Select Subject: Finds the main subject and creates a clean starting mask.
• Select People: Detects people and lets you target skin, eyes, lips and hair individually.
• Select Sky: Automatically selects the sky for exposure and colour adjustments.
• Select Background: Selects everything except the subject, ideal for background control.

These tools are the quickest way to build accurate masks with minimal manual work.

Area‑based masks let you define regions manually. They’re ideal for shaping light, guiding the viewer’s eye and creating natural transitions.

• Brush: Freehand masking with feather, flow and density controls.
• Linear Gradient: Smooth transitions for skies, foregrounds and directional light.
• Radial Gradient: Oval masks for portraits, vignettes and spotlight effects.

These tools give you full control over where adjustments begin and end.

Range masks target areas based on colour or brightness, allowing extremely precise adjustments without manual brushing.

• Color Range: Targets specific colours such as skies, clothing or foliage.
• Luminance Range: Targets highlights, shadows or midtones based on brightness.

Range masks are essential for clean, natural‑looking adjustments that respect the structure of the image.

Lightroom’s masking power comes from combining tools using Add, Subtract and Intersect. This lets you build masks that are both accurate and efficient.

• Add: Expands a mask by including more areas.
• Subtract: Removes unwanted areas to refine edges.
• Intersect: Keeps only the overlap between two selections for highly targeted results.

Mastering these three operations is the key to building clean, professional masks.

Real‑world masking combines multiple tools to solve practical editing problems. These workflows show how the pieces fit together.

• Portraits: Skin smoothing, eye enhancement, background control.
• Landscapes: Sky balancing, foreground shaping, colour separation.
• Products: Clean backgrounds, highlight control, precise object isolation.

These examples help you build repeatable, efficient masking habits.

Masking can be demanding, especially with large files or complex masks. These tips help keep Lightroom running smoothly.

• Simplify masks: Too many components can slow things down.
• GPU acceleration: Ensures smooth brushing and fast AI selections.
• Catalogue health: Old or corrupted masks can sometimes need rebuilding.

Good performance makes masking faster and more enjoyable.

Lightroom masking is ideal for fast, non‑destructive adjustments on raw files. Photoshop takes over when you need pixel‑level control, complex composites or traditional layer masks.

Knowing when to switch tools saves time and keeps your workflow efficient.

• Masking Foundations
• Select Object
• Select Subject