Create impressive image effects using Photoshop's "Color Halftone" filter. This filter derives its name from the printing and photographic process that uses a dot pattern to produce the colours of an image. When you view a newspaper or magazine picture up close, you will see the dots that create the colours. The "Color Halftone" filter simulates this effect by using larger dots for darker shades and smaller dots for lighter shades, often resulting in a recurring pattern. Dots may be close together or far apart depending on the settings of the filter and the image's tones.
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Launch Photoshop. Go to "File" and choose "Open" from the drop-down menu. Choose the image you want enhance.
Choose the layer or selection that you will edit with the "Color Halftone" filter.
Go to "Filter," choose"Pixelate" and then choose "Color Halftone" from the menu.
Enter the "Maximum Radius" of pixels in the filter dialogue box. This value affects the size of the halftone dots and can range from four to 127 pixels. A higher value results in larger dots.
Set the "Screen Angles (Degrees)" for the different colour channels. The default filter settings mimic the appearance of halftone printing, so you may notice a recurring pattern and colour variation in the dots. To create a uniform dot pattern, set all the values to 45 degrees.
Images in "CMYK" colour mode require settings for all four channels, but "RGB" images only require values for channels one through three. Grayscale images only use the settings entered for the first channel.
Click "OK" to apply the filter and view the results.
Tips and warnings
- You may need to experiment with the values of the "Color Halftone" filter to achieve the look you want. Press "Ctrl" and "Z" to undo the filter and then repeat the steps to apply the filter with different settings.
- When the filter's dialogue box is open, you can press "Ctrl" to change the "Cancel" button to "Default" and restore the default filter settings. Press "Alt" to change the button to "Reset" and undo changes you made to the values.
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