What Is a Luminosity Mask in Photoshop?
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Luminosity masks are masks in Adobe Photoshop that are based on the brightness/luminance of every pixel of the image. Imagine your image converted to black and white. As with every mask in Adobe Photoshop, bright parts will be selected and dark parts will be not.

What does a luminosity mask do?

So, what are Luminosity Masks? Simply put, they’re tone-based selections which make it possible to make targeted adjustments to only specific areas of the image. These masks can select the brights, mid-tones or darks, without affecting other parts of the photo.

How does luminosity work in Photoshop?

Luminosity: Creates a result color with the hue and saturation of the base color and the luminance of the blend color. To truly see the effect, open a new image and create a curves adjustment layer that is set to RGB with a normal blend mode.

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.

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