How to Correct Different White Balances in the Light and Dark Areas of One Photo

Different parts of a scene can receive different light. A sunlit surface and a shaded surface may therefore need different corrections even when they belong to the same object. Capture One’s original mixed-lighting tutorial demonstrates how blue skylight can become especially apparent after shaded areas are brightened. Capture One: No more White Balance compromises!

The useful diagnostic question is: Does the unwanted color follow brightness, location, or the material itself? A dark blue object does not automatically need warming. Look instead for a surface you know should be neutral, or compare different illuminated portions of the same material.

Before editing, identify three reference areas: the part whose color already looks convincing, the part with the unwanted cast, and the transition between them. These give you a practical target: improve the second area while preserving the first and keeping the transition believable.

Start with the original raw file if available. JPEGs can still be adjusted, but their existing processing leaves less white-balance flexibility than raw files. Keep expectations moderate when a JPEG needs a substantial color change. Capture One: The White Balance tool overview

In Lightroom Classic, open the Develop module and use the Basic panel’s White Balance Selector on a surface that should be neutral light gray. Avoid fully white or specular highlights. Adobe recommends a neutral light-gray sample because the selector uses that area to establish the correction. Adobe: Adjust image tone and color

Choose a reference under the light you want to establish as the image’s baseline. For a still life beside a window, that might be the main object’s window-lit side. Do not keep alternating between a warm area and a cool area with the global eyedropper; settle on one baseline, then address the remaining mismatch locally.

Bring overall exposure reasonably close to your intended result before judging the casts. Make restrained adjustments rather than lifting every shadow equally. The goal at this stage is to see the image clearly enough to decide which areas actually need color correction.

Use the following decision aid to choose your starting selection. These are practical recommendations derived from how the masking tools select pixels, rather than fixed rules for every photograph.

Where the cast appears	Starting mask	What to inspect
Throughout similarly dark or bright tones	Luminance Range	Unrelated objects with similar brightness
In one irregular patch	Brush	Spill beyond the affected surface
Across a broad, gradual lighting transition	Linear Gradient	Whether the fade follows the light
Only in the dark portions of one region	Brush intersected with Luminance Range	Gaps and abrupt tonal boundaries

In Lightroom Classic, open Masking and choose Luminance Range to select by brightness. Sample the affected area and refine the range. For a location-based selection, use Brush or Linear Gradient. To combine location and brightness, open the mask’s three-dot menu and choose the intersection option, then select Luminance Range. Adobe documents these selection methods and mask intersections in its Lightroom Classic masking guide.

Inspect the overlay before changing color. Ask whether every selected area needs the same correction. If a shadow mask includes a blue vase that already looks right, exclude the vase or restrict the selection spatially. The label “shadows” describes brightness; your editing target is the unwanted cast.

Hide the mask overlay while judging color. Use Temperature for the warm–cool mismatch and Tint for the green–magenta mismatch. In Adobe’s controls, moving Temperature toward the warm side adds warmth; Tint adjusts the green–magenta balance. Adobe: Adjust image tone and color

Work in small passes:

1. Adjust Temperature until the blue or yellow cast is less distracting.
2. Check whether a green or magenta cast remains, then adjust Tint.
3. Toggle the correction off and on while watching a known neutral surface.
4. Reduce the correction if the area begins to acquire the opposite cast.

Keep brightness adjustments separate while evaluating the color change. Temperature and Tint target color, whereas Exposure and Shadows control tonal brightness. Adobe distinguishes these functions in its local adjustment controls reference.

You may only need one local correction. If the baseline already suits the bright area, leave it alone. Create a second mask only when another region still needs an independently judged adjustment. Name masks by purpose, such as “cool shaded tabletop,” so their roles remain clear.

Consider this illustrative editing scenario: a photograph shows a gray ceramic pot on a pale tabletop. The window-lit side looks slightly warm, while the shaded side appears strongly blue. This is a hypothetical workflow, not a measured test or a reported editing result.

First, establish the global balance using a suitable neutral patch on the illuminated tabletop. Decide how much warmth you want to retain there. Then inspect the shaded tabletop and pot: if both share the same blue cast, they can be candidates for one local correction.

Start with a Luminance Range mask for the darker tones. Suppose the overlay also selects a dark blue ornament elsewhere in the frame. Restrict the mask to the pot and nearby tabletop, using a spatial selection intersected with the brightness selection.

Warm the selected area gradually. Watch the gray ceramic rather than using the blue ornament as a reference. Stop when the shaded ceramic fits the rest of the scene; it need not become identical to the illuminated side. Finally, inspect the pot’s curved transition from light to shade. If a warm stripe appears, revisit the selection before adding more correction.

This example produces a repeatable decision sequence: establish the reference light, identify the residual cast, choose the selection, exclude unrelated material, and judge the transition. Slider values come last because they depend on the actual file.

A correction needs revision when its outline becomes noticeable. Lightroom Classic’s Brush Feather setting creates a softer transition, and gradients provide a gradual fade. Use those controls where the lighting itself changes gradually. Adobe: Lightroom Classic Masking tool

Treat these symptoms as prompts to recheck the edit:

• A warm or cool rim appears: inspect mask spill and transition width.
• Some objects improve while others shift incorrectly: divide the selection according to lighting or material.
• The area becomes gray and lifeless: undo any saturation reduction and reassess Temperature and Tint.
• Brightening reveals distracting grain: reduce the brightness lift before pushing the color further.

Brightening shadows can make luminance noise more apparent, as Adobe notes in its local adjustment controls documentation. Avoid interpreting every small colored or grainy patch as a separate lighting zone requiring another mask.

Also check whether your reference is truly neutral. Cream paint, blue-gray glaze, and reflected color can make an eyedropper-based correction misleading. When the material’s actual color is uncertain, make a restrained visual adjustment and avoid treating the sample as an objective white-balance measurement.

At fit-to-screen size, judge the whole composition: does the main object look coherent, and does the light still have the character you intended? Then zoom in to inspect mask boundaries, narrow gaps, and small surfaces near the transition.

Toggle each local correction individually. Keep it when it improves its intended area without introducing a distracting change elsewhere. If the edit only looks convincing with every shadow made neutral, reconsider whether some of the original coolness belongs in the scene.

Finish when the bright and dark areas feel consistent with your chosen rendering of the light. A useful correction preserves material colors and smooth transitions while leaving room for intentional warmth and coolness. The strongest guide is a clear reference area and a well-targeted mask, followed by the smallest color adjustment that completes the task.

• Lightroom Classic Masking tool — Adobe
• How to adjust image tone and color, and work in grayscale in Lightroom Classic — Adobe
• Local adjustment controls — Adobe
• The White Balance tool overview — Capture One
• No more White Balance compromises! — Capture One