Glass Window Reflection Effect In Photoshop

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A glass window reflection effect in Photoshop uses Blending Modes and Adjustment Layers to make it look like a photo was shot through a dusty pane of glass.

In this tutorial, you will learn how to create a window reflection effect in Photoshop.

This effect will create the illusion that the photo was taken through a glass window.

The images used in this Photoshop tutorial are all Adobe Stock images, but you could easily follow along with your photos with no problem at all.

This technique helps give your photo a bit more depth and emotion. Even if you never intend to fake reflections in Photoshop, this tutorial is still a great crash course in how Blending Modes work. You will also learn how to use adjustment layers to control how they blend.

Key Takeaways

  • The Lighten blend mode only reveals pixels brighter than the layer beneath it, which is what fakes a reflection sitting over a subject.
  • A Levels or Black & White Adjustment Layer clipped to the reflection controls exactly which parts show through, without touching the reflection photo itself.
  • Linear Dodge (Add) is one of Photoshop’s 8 special blending modes, so it reacts to Fill differently than it reacts to Opacity.
  • A small amount of Lens Blur and noise sells a composite, since it keeps every layer from looking too sharp next to the others.
  • Flipping a composite horizontally is a fast way to catch text or details that would read backward in a real reflection.

What You Will Learn

  • How to fake a window reflection with the Lighten and Screen blending modes
  • How to control a reflection layer’s luminance with a Levels or Black & White Adjustment Layer
  • How to tint the glass with a Hue & Saturation Adjustment Layer
  • How to add dust and stains with a texture layer and the Blend If sliders
  • How to paint highlights and flares with the Linear Dodge (Add) blending mode
  • How to unify the composite with the Lens Blur filter and added noise

Requirements

Before you start

Keyboard Shortcuts

ActionWindowsmacOS
Create Clipping MaskCtrl Alt GCommand Option G
Duplicate LayerCtrl JCommand J
DesaturateCtrl Shift UCommand Shift U
Free TransformCtrl TCommand T
Group LayersCtrl GCommand G
Stamp Visible (merge visible into a new layer)Ctrl Alt Shift ECommand Option Shift E
Move ToolVV
Brush ToolBB
Zoom ToolZZ
Swap Foreground/Background ColorXX
Decrease Brush Size[[

Getting Started Window Reflection Effect In Photoshop

You will need at least three images to work with: a subject, a reflection image, and a texture image which will be necessary to create a stained glass effect.

You could find the photos used in this video on Adobe Stock, or you can simply shoot your own in just a few minutes.

Stock images utilized in this tutorial:

Woman:
https://stock.adobe.com/stock-photo/time-for-breakfast/107361711

Busy City:
https://stock.adobe.com/stock-photo/busy-city/3977204

Glass Texture:
https://stock.adobe.com/stock-photo/dirty-glass/40196017

Use Blending Modes To Create A Reflection Effect

This video will teach you to work with Blending Modes to create a reflection effect.

We will do a quick crash course on how blending modes work and how they can help us create a window reflection effect in Photoshop.

Tips and Useful Techniques

This video shares many tips and helpful techniques to adjust the reflection layer to fit the picture perfectly.

The first way is to create a new Levels Adjustment Layer to change the luminance values of the reflection layer. This shows or hides different areas of the image to make the reflection work better.

This is possible because the reflection layer is set to the Lighten Blending Mode which conceals dark pixels and reveals bright pixels. This means that as pixels become darker than 50% gray, they start disappearing. If they become brighter than 50% gray, then they start appearing.

Another useful technique is to clip a Black & White Adjustment Layer to the reflection layer. Then set the Blending Mode to Luminosity and adjust the luminance values of specific colors to conceal or reveal them.

Add a Color Tint to Enhance The Glass Effect

Have you ever noticed that some glass windows have a green or blue tint? In this video, you will learn how to re-create this effect with a Hue & Saturation Adjustment Layer.

By checking the “Colorize” checkbox you can apply a color to an entire layer, then use the Opacity slider to adjust the intensity of that color.

Applying a Texture To Create a Stained Glass Effect

Perfection doesn’t exist in the real world. Even the cleanest windows should have some dust or stains. To make the composite look more natural, we will use a texture layer to apply subtle stains on the glass.

You don’t need to worry about creating complicated masks. We will use the “Blend If” sliders in the Layers Styles window to selectively hide bright pixels and keep the dark ones.

Tip: Blend If normally hides pixels only until you flatten the layer. See how to use Blend If to permanently hide pixels in Photoshop by converting the layer to a Smart Object first.

Creating Highlights and Flares

This Photoshop tutorial will show you how to create lights shining on the glass with the help of the Linear Dodge (Add) blending mode.

Linear Dodge (Add) is one of the 8 special blending modes in Photoshop that gives your different results when you adjust opacity compared to fill. Also, these eight blending modes blend differently when the “Transparency Shapes Layer” checkbox is unchecked in the Layers Style window.

Blur and Add Noise To Create a More Cohesive Image

With the Lens Blur filter, we’ll add a slight blur and a bit of noise. That makes the image blend better, so it looks more like a real photo and not a composite.

This is a trick that you can use on all your composites, not just this glass window reflection effect.

Other Things You Can Do To Improve The Glass Window Reflection Effect In Photoshop

We did not have enough time in this video to show all the different things that you can do to create a realistic glass window effect.

In your own projects, you may want to try different things to enhance this effect, such as flipping the image horizontally. Especially if there is visible text since, in the real world, a reflection will show the text inverted.

You may also want to blur the reflection layer to match the depth of field in the image. Having a reflection that is too sharp may be a giveaway that the image is a composite.

Video Chapters

  • 00:46 – Insert Adobe Stock Images
  • 01:36 – Create The Reflection Effect With The Lighten Blend Mode
  • 02:00 – Use the Levels Adjustment Layer To Enhance the Lighten Blend Mode
  • 04:46 – Enhance The Highlights of The Reflection
  • 06:05 – Creating a Green Tint to Enhance a Window Effect
  • 06:48 – Using a Texture To Add Dirty to The Glass
  • 07:56 – Add a Darkening Gradient
  • 08:43 – Create Highlights and Flares
  • 12:06 – Add a Blur and Noise To Make The Composite More Cohesive

Frequently Asked Questions

What is the glass window reflection effect in Photoshop?

The glass window reflection effect in Photoshop uses Blending Modes and Adjustment Layers to make a photo look like it was shot through a pane of glass. A second image blends over the subject as a reflection, then a tint, texture, and highlights sell the glass.

Which blending mode creates the reflection over the subject?

The Lighten blend mode creates the reflection. It only shows pixels that are brighter than the layer underneath, so a second photo set to Lighten reads as a faint reflection instead of a solid image.

How do I fix a reflection that looks too strong or too weak?

Clip a Levels or Black & White Adjustment Layer to the reflection layer. Dragging their sliders changes which parts of the reflection show through, without touching the reflection photo itself.

How do you add a color tint to the glass?

Add a Hue & Saturation Adjustment Layer and check Colorize. Dragging the Hue slider picks the tint color, and the Opacity slider controls how strong it looks.

How do you make the glass look dusty or stained?

Add a texture photo above your composite, then use the Blend If sliders in the Layer Style window to hide its bright pixels and keep only the dark ones. That leaves just the dirt and stains visible on the glass.

How do you create the highlights and flares on the window?

Paint soft white highlights with the Brush Tool, then set that layer’s blend mode to Linear Dodge (Add). A Hue & Saturation Adjustment Layer clipped on top colors the glow so it matches the scene’s lighting.

Why blur the image and add noise at the end?

The Lens Blur filter and a little noise keep every layer from looking too sharp next to the others. It is a small step, but it is what makes the composite read as one real photo instead of several stacked ones.

Can you use your own photos instead of Adobe Stock images?

Yes. The tutorial uses Adobe Stock images, but the same Blending Modes and Adjustment Layers work on any subject, reflection, and texture photo you shoot or already have.

Conclusion

That’s the whole glass window reflection effect in Photoshop: a reflection layer, a color tint, some dust, a few flares, and a touch of blur.

Every technique here, from the Levels Adjustment Layer to the Blend If sliders, still works the same way in the current version of Photoshop.

Watch the full video above, and comment on the video with any questions.

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Final Image

Drag the slider to see before and after

After: Glass Window Reflection Effect In Photoshop
Before: Glass Window Reflection Effect In Photoshop
Jesús Ramirez

About the author

Jesús Ramirez

Jesús Ramirez is a graphic designer and the founder of the Photoshop Training Channel, which he started in 2012 and has grown past two million YouTube subscribers. He has taught at Adobe MAX, Adobe Summit, and Photoshop World, teaches courses for CreativeLive and Pluralsight, and was one of five artists chosen for Adobe Stock's Make a Masterpiece campaign. His Photoshop templates shipped inside Photoshop CC 2018.

More about Jesús Ramirez

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10 Comments

  1. Impressive tutorial! Since I’m a new beginner may I know how to open these 3 files (Dirty Glass, Busy City and Woman) into one on top another as 3 Layers.

    1. After you open the first one you can go to File > Place Embedded. (or File > Place,if you’re on CS6).
      If you are using a CC library then open the Libraries panel (Window > Library) and drag them into the canvas.

  2. Jesus , I am product photographer in Venezuela . I think that your tutorial are most comprehensive tutorials availables right now . Really amazing .

    If possible let me know how to do get the before and after slider effect . Your help will be apreciated

    1. They are from Adobe Stock, and are not free. However, you can download a watermarked version to practice on.

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