How to Create Mosaic Effect in Photoshop

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The purpose of this tutorial is to show you how to get one very interesting mosaic effect in Photoshop.

Final Image Preview

How to Create Mosaic Effect on the Wall in Photoshop

Step 1

Create a new document with 1000px width and 600px height. Fill it with black color (#000000) and update layer name to Background (click twice on layer name).

How to Create Mosaic Effect on the Wall in Photoshop 1

Step 2

For this tutorial we need to create an action. Make Actions Panel active with Window > Actions (or Alt+F9) and press Create new Action button on lower window options.

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After that create a new layer and apply Filter > Render > Clouds. Change layer mode to Screen for this layer.

How to Create Mosaic Effect on the Wall in Photoshop 3

Step 3

Apply Filter > Pixelate > Mosaic with following settings:

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How to Create Mosaic Effect on the Wall in Photoshop 5

Step 4

Apply Filter > Sketch> Reticulation with following settings:

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How to Create Mosaic Effect on the Wall in Photoshop 7

Now we need to stop recording our new action. Press Stop on Action panel. Make sure tht your new Action only has the following items: Make layer, Clouds, Set current layer, Mosaic and Reticulation. If you have more items remove them and if you have any missing delete Action and recreate it.

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Step 5

With our Action created, we are going to create mosaic bricks. We need to apply our Action about 6-7 times more until all black spots will disappear on canvas.

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The result should be similar to this:

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Merge all layers together except background layer by selecting them and using Ctrl+E. After merge, change layer mode to Screen again. We now have only two layers: background layer and mosaic layer.


Step 6

We now are going to add glow. Apply Filter > Sketch > Photocopy on mosaic layer (Detail: 24 and Darkness:1).

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How to Create Mosaic Effect on the Wall in Photoshop 12

Step 7

Invert layer colors by pressing Ctrl+I.

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Step 8

Set Auto Contrast by going to Image > Auto Constrat (on older Photoshop versions it´s inside Image > Adjustments).

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Step 9

Create new layer and change layer mode to Overlay. Select Brush Tool (soft round brush with about 80 pixels) and apply brush on edges of dark squares with white color.

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Step 10

Merge all layers except background layer by selecting them and using Ctrl+E. Duplicate mosaic layer again with Ctrl+J.

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On duplicated layer apply Filter > Blur > Gaussian Blur. Change layer mode to Overlay.

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How to Create Mosaic Effect on the Wall in Photoshop 18

Step 11

Duplicate current layer with Ctrl+J to increase effect.

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Merge all mosaic layers except background layer.


Step 12

On this step we are going to bring some color to mosaic layer. Apply Image > Adjustments > Hue/Saturation with following settings:

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How to Create Mosaic Effect on the Wall in Photoshop 21

Step 13

Time to add some perspective to the mosaic. Use Edit > Transform > Perspective to transform mosaic to something similar to what i did on image below.

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How to Create Mosaic Effect on the Wall in Photoshop 23

To remove too much blurred areas if you have any, use Crop Tool to fix them.

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How to Create Mosaic Effect on the Wall in Photoshop 25

Final Image

We may add some additional colors to our mosaic. Add a new layer and change layer mode to Overlay. Set up foreground color as purple (#8a00ff) and with Brush Tool selected (soft round brush with 300px) apply on right side of mosaic. Finally set up foreground color to blue (#002cff) and apply Brush Tool on left side to increase brightness and add some glow. And now this tutorial is complete.

How to Create Mosaic Effect on the Wall in Photoshop
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  • heti

    Wow! very beautiful, thanks you very much

  • http://www.mojowebdesign.com.au Damian

    A beautiful effect. One of the best I have seen in a while. Thank-you

  • http://www.robertleons.com Rob

    Great effect – time consuming, but great outcome.

    • Debra G

      Rob: Maybe you can help me…I get to the step where I have to merge my layers and everything goes black and then I invert it and it goes white (of course). I loose all my mosaic blocks…is there something missing in this tutorial??

      • Answer

        Make sure you’re not merging the background layer or make sure the layers are set right. EX. Screen or Overlay

  • Shalnark

    It’s very very nice

    Thanks for the wonderful work and simplified explanation

  • http://www.appstree.co.cc Vinayak

    Really nice effect! :D

  • http://www.psd-dude.com PSDDude

    nice looking effect! thank you for the tut

  • sarawoen

    That is amazing Thank you very much

  • Akil

    I have stuck on step 4 Sketck option is nt opening. please help

  • BaBaK

    very helpful to make background, thank you so much

  • leeann

    this is very pretty

  • http://designermelanie.com melanie

    so elegant. :) great tutorial!

  • http://a salvador cabautan

    very nice output., nice color and effect

  • ayi

    wow great..ty very much for u tutorial

  • http://facebook praveen

    i like this

  • TLM

    this is cool.
    But in step 12, i can’t set the Hue value to 216 (it says -180 to 180 is required)
    Please give me some advice :D

    • Answer

      Make sure that the colorize checkbox has a green check in it (should be on the bottom-left corner of the window).

  • http://grabbitee.blogspot.com Ramz

    i love this……….love the site…great work….

  • COol

    i have the problem wer it doesnt let me open the hue/saturation box on step 12 so i cant change the colour. Any help???

    • COol

      sorry document was in grayscale not RGB. Stupid me!

  • manna

    Change layer mode to Screen for this layer.
    wht does it mean

  • Meera

    Thanks .. it’s a great tutorial. i tried it

  • Morrie

    It gets complicated around step 6…

  • Knox

    I found that on some of the steps were incorrect. I found that if I set it on the same layer mode, that it would look awkward and nothing like the picture below or above. I played around with the settings and found that on step 10 when you are applying the gaussian blur, that it should be screen, not overlay, to get the effect this person got. Now, it may be a difference in photoshop, because I am a student and we are currently using CS4 extended. And on the last step, I found that changing the layer mode to overlay to add the extra colors made them to vivid and bright. I played around and found that if I changed the layer mode to Hue instead of overlay, I got the same effect. Just thought I could clear up some of the confusion if you had some.